Deck 16: Hiv and Aids

Full screen (f)
exit full mode
Question
AIDS stands for

A)Altered Immune Defense System.
B)Acquired Immunodeficiency Syndrome.
C)Atypical Immunodefense Syndrome.
D)Asymptomatic Immune Disorder.
Use Space or
up arrow
down arrow
to flip the card.
Question
What is a common type of cancer NOT associated with AIDS?

A)cancer of the blood vessels
B)colorectal cancer
C)cancer of the lymphatic system
D)cervical cancer
Question
Your friend Dean has been battling HIV for several years.Recently you have noticed purple blotches appearing on his skin.He is most likely dealing with

A)mycobacterium avium intracellulare.
B)Lou Gehrig's disease.
C)Pneumocystis carinii pneumonia.
D)Kaposi's sarcoma.
Question
Which of the following statements about the leukocytes is false?

A)Leukocytes can be found in the blood,lymph nodes,skin,and intestinal mucous membranes.
B)One type of leukocyte is the lymphocyte.
C)Leukocytes play major roles in defending the body against invading organisms and mutant cells.
D)Platelets are sometimes called leukocytes.
Question
In a healthy immune system,antibodies function to

A)create additional macrophages.
B)inactivate and mark antigens for destruction.
C)engulf foreign particles and destroy them.
D)signal the spleen to produce more leukocytes.
Question
AIDS is called a syndrome because

A)the symptoms occur in groups.
B)it attacks the immune system.
C)it is acquired,not inherited.
D)the rate of disease progression varies.
Question
Manoj has sexual encounters with multiple partners.He contracts HIV and lives with it for almost seven years during which he exhibits little to no signs of a terminal illness.He even gets a home test done and the result turns out to be HIV negative.Which of the following is a safe conclusion that can be made from the characteristics exhibited by Manoj?

A)Manoj is as healthy as any other individual and can donate blood to others in need without any concerns.
B)Manoj's infection is highly contagious and can spread to others in spite of his apparent healthy disposition.
C)Manoj is healthy because his HIV test turned out to be negative and there is no cause to worry.
D)Manoj's infection is spreading but is not contagious because his test results proves so.
Question
Kaposi's sarcoma refers to a cancer of the

A)lungs.
B)skin.
C)blood vessels.
D)stomach.
Question
How did scientific awareness of HIV begin?

A)The United Nations alerted the world about an epidemic in developing countries.
B)Gay men protested the lack of adequate funding for research on all sexually transmitted infections (STIs).
C)Physicians noted rare diseases in healthy young men in major U.S.cities.
D)The same bacteria causing other STIs were found to have mutated into a new form.
Question
At first,AIDS within the United States seemed to be confined principally to three groups: gay men,Haitians,and people with

A)hemophiliA.
B)neurocognitive disorders.
C)eating disorders.
D)haemochromatosis.
Question
Which of the following engulfs foreign particles?

A)enzymes
B)plasma
C)macrophages
D)hormones
Question
Lymphocytes include

A)antigens and antibodies.
B)macrophages and leukocytes.
C)B cells and several types of T cells.
D)all of these.
Question
The process by which a person develops antibodies is called

A)anastalsis.
B)seroconversion.
C)insemination.
D)opsonisation.
Question
Gordon suddenly loses a great deal of weight,feels very weak,and has persistent diarrhea.This condition is called

A)wasting syndrome.
B)cytomegalovirus.
C)gonorrhea.
D)syphilis.
Question
Charles has been experiencing changes in his moods and,consequently,in his ?behavior.He has been having difficulty moving around and frequently forgets what he was about to do.What clinical condition associated with AIDS is he suffering from?

A)wasting syndrome
B)AIDS lymphoma
C)AIDS dementia
D)cytomegalovirus
Question
Maury,who is HIV positive,is diagnosed with a type of cancer that is commonly associated with AIDS.In this case,Maury is most likely to be diagnosed with

A)pancreatic cancer.
B)cancer of the lymphatic system.
C)cancer in the colon.
D)prostate cancer.
Question
Which of the following statements is true of AIDS?

A)If a person's CD4 count is above 200,it means that he or she has AIDS.
B)AIDS is inherited.
C)If a person is tested HIV positive,it means that he or she has AIDS.
D)AIDS is the final stage of HIV infection.
Question
Leukocytes are a type of

A)plasmA.
B)red blood cells.
C)white blood cells.
D)platelets.
Question
To say that AIDS is an acquired disease means that it is

A)not inherited.
B)not communicable.
C)easily curable.
D)easily transmitted.
Question
Miranda just received the results of her blood test,and it showed the presence of HIV antibodies and a T-cell count below 200.This means that Miranda

A)is HIV positive.
B)is HIV negative or has been recently infected.
C)has to repeat the test as the result is unclear.
D)has AIDS.
Question
Retrovirus are viruses that have the ability to

A)reverse the normal genetic writing process.
B)cause an overproduction of macrophages in the lymphatic system.
C)alter the genetic structure of the helper T cells.
D)attack both red and white blood cells in the body.
Question
How does HIV kill T cells?

A)It engulfs macrophages,which then enlarges and engulfs all other types of lymphocytes.
B)It weakens red blood cells so that they no longer produce antibodies and attack antigens.
C)It alters the DNA of the host T cell and causes the T cell to replicate HIV rather than itself.
D)It attacks and destroys the suppressor T cells by altering their metabolism.
Question
One of the reasons HIV is difficult to destroy once it has infected a person is because

A)the virus has the tendency to mutate.
B)the virus can thrive even outside the host.
C)antibodies are attracted to GP 120 in HIV.
D)the virus can propel itself independently in the host.
Question
Which of the following is programmed to "read" the antigens and then begin directing the immune system's response?

A)helper T cells
B)killer T cells
C)macrophages
D)platelets
Question
CD4 count refers to the number of

A)helper T cells present in a cubic millimeter of blood.
B)killer T cells present in a cubic milliliter of blood.
C)white blood cells present in the blood.
D)platelets in the blood.
Question
The CD4 receptors on a helper T cell are attracted to

A)GP 120 in HIV.
B)GP 41 in HIV.
C)p17 in HIV.
D)Ero 1 in HIV.
Question
Dominique thinks that she was exposed to HIV.When will the antibodies be detectable in her blood?

A)1-2 years following exposure
B)15-20 weeks following exposure
C)4-5 years following exposure
D)3-8 weeks following exposure
Question
Who among the following HIV-infected persons is the most infectious?

A)Sean whose CD4 count is slightly increasing
B)Maria whose infection is in the stage where the virus is rapidly replicating
C)Henry who is diagnosed with AIDS,the final stage of HIV infection
D)Liam whose level of HIV RNA in the blood is steadily declining
Question
Harold is in the advanced phase of HIV infection and the number of HIV-infected cells in his body is high.During this phase,his T-cell count is likely to go down to

A)between 200 to 500 per milliliter of blood.
B)less than 200 per milliliter of blood.
C)between 500 to 1600 per milliliter of blood.
D)more than 500 per milliliter of blood.
Question
Which of the following attack and kill foreign bodies such as bacteria and ?viruses?

A)macrophages and killer T cells
B)thrombocytes and monocytes
C)helper T cells and erythrocytes
D)killer T cells and platelets
Question
Which of the following statements about the early phase of HIV infection is false?

A)Many people experience what seems like a severe case of the flu.
B)The CD4 count suddenly rises as the virus begins replication.
C)The virus undergoes a seeding process and is dispersed throughout the lymphatic system.
D)The virus begins to destroy T cells and replicate itself.
Question
Large molecules that are capable of stimulating the immune system and then reacting with the antibodies that are released to fight them are called

A)lymph nodes.
B)antigens.
C)macrophages.
D)helper T cells.
Question
Which of the following is NOT a characteristic of a virus?

A)It is basically a protein-coated gene package.
B)It can move independently throughout the body.
C)It cannot reproduce unless they are inside a host cell.
D)It invades a cell and alters the way in which the cell reproduces itself.
Question
According to the World Health Organization (WHO)and the Joint United Nations Programme on HIV/AIDS (UNAIDS),what is the estimated number of people living with HIV worldwide?

A)14 million
B)20 million
C)35 million
D)54 million
Question
In the initial acute illness stage of HIV infection,the virus is dispersed throughout the lymph nodes,where it replicates through a process called

A)seroconversion.
B)seeding.
C)scarification.
D)sequencing.
Question
The study of the incidence,process,distribution,and control of a disease is called

A)entomology.
B)demographics.
C)epidemiology.
D)edaphology.
Question
Which of the following refers to white blood cells that display the invader's antigen like a signal flag?

A)helper T cells
B)antibodies
C)macrophages
D)antigens
Question
Antigens are

A)large molecules that activate the immune system.
B)enzymes within the body that attack invading organisms.
C)chemical barriers that surround uninfected cells.
D)cells that bind to antibodies,inactivate them,and mark them for destruction by killer cells.
Question
The first detectable sign of HIV infection in the body is

A)the sharp increase of CD4 cells in the blood.
B)the presence of HIV antibodies in the blood.
C)the sharp decrease of HIV RNA in the blood.
D)the presence of macrophages and B cells in the blood.
Question
The prevalence of HIV infection is by far the greatest in

A)South AmericA.
B)the Pacific Islands.
C)the Middle East.
D)Africa.
Question
After a teenager in the neighborhood was diagnosed with HIV,Mark would not allow his teenage children to use the public toilets in that area,fearing they could get infected too.Which of the following statements is true in this scenario?

A)HIV could pass from an infected person to a healthy person through the toilet seat cover.
B)HIV can be transmitted through the human feces of an infected person,and the father is wise to protect his children.
C)Although the virus cannot be transmitted through shared toilet seats,Mark is wise to be concerned since it can be transmitted through sink usage.
D)HIV is not transmitted through the usage of same toilet seats.Routes of HIV transmission are well documented.There is no danger.
Question
Which of the following is NOT a myth connected with AIDS?

A)HIV is spread by contact with the toilet seat used by someone who is infected with the virus.
B)HIV can be contracted from mosquito bites.
C)HIV may be transmitted through the saliva of an HIV-infected person.
D)HIV is spread by sharing needles with someone who is infected with the virus.
Question
Which of the following has never been shown to result in the transmission of HIV?

A)pre-seminal fluid
B)breast milk
C)sweat
D)semen
Question
Who among the following is at a much higher risk of HIV transmission through vaginal sex without a condom?

A)men
B)women
C)men and women equally
D)The risk of transmission through vaginal sex is very low so it is difficult to estimate if there are gender differences.
Question
Who among the following is at a higher risk of contracting HIV?

A)Rina,who has vaginal sex with her partner without a condom
B)Greg,who engages in cunnilingus with his HIV-infected wife
C)Bianca,who indulges in open-mouth kissing with her partner
D)Peter,who shares his toilet seat with his HIV-infected friend
Question
Anal intercourse is extremely risky for the transmission of HIV because

A)the existence of semen and feces within the rectum can help the virus develop.
B)the membrane lining the rectum ruptures easily,exposing blood vessels.
C)the virus can enter the stomach through the digestive system.
D)there are many leukocytes present within the colon.
Question
Women are at more risk than men in contracting HIV through vaginal intercourse without a condom because

A)they are inherently more susceptible to HIV/AIDS than men.
B)they are mentally vulnerable compared to men.
C)the process of menstruation increase their chances of infection.
D)the lining of the vagina can tear.
Question
Which of the following is considered to be the most risky sexual behavior?

A)unprotected vaginal-penile sex
B)unprotected anal sex
C)fellatio
D)cunnilingus
Question
Both men and women are at a maximum risk for HIV transmission when they ?engage in

A)unprotected vaginal intercourse.
B)unprotected fellatio or cunnilingus.
C)unprotected anal intercourse.
D)same-sex sexual activity.
Question
The World Health Organization (WHO)and Joint United Nations Programme on HIV/AIDS (UNAIDS)state that the rates of new HIV infections are

A)steadily increasing in the developing countries.
B)going down in the United States but increasing in the other countries.
C)doubling all over the world.
D)going down all over the world.
Question
Niya contracts HIV as a result of having sexual intercourse with her boyfriend,who is infected with HIV.She gets pregnant,and months later she gives birth to a healthy baby boy.Given that her baby has not contracted HIV yet,which of the following must she do in order to ensure that her baby is HIV-free?

A)She should refrain from breastfeeding her baby because the virus can spread the virus.
B)She should refrain from using the same utensils she uses for feeding her baby as the virus can spread through saliva.
C)She should ensure that her baby does not come into contact with her tears or sweat as the virus can be transmitted through these fluids.
D)She should refrain from cuddling and kissing the baby because the virus can spread through typical social contact.
Question
Since the epidemic began,the proportion of AIDS diagnoses among

A)Whites has decreased and African Americans has increased.
B)Whites has remained the same and African Americans has decreased.
C)Whites has increased and African Americans has decreased.
D)Whites has increased and African Americans remained the same.
Question
Which of the following can increase the risk of HIV infection?

A)eating food prepared by an HIV-infected food handler
B)donating blood
C)cuddling an HIV-infected person
D)having multiple sex partners
Question
Which of the following is NOT a way in which HIV can be transmitted?

A)through closed-mouth kissing
B)through using shared sex toys
C)through unprotected oral-genital contact
D)through unprotected vaginal intercourse
Question
According to the World Health Organization (WHO)and Joint United Nations Programme on HIV/AIDS (UNAIDS),how many million people have died of AIDS worldwide?

A)a little over 2 million
B)5 million
C)12 million
D)over 39 million
Question
In which of the following ways can an HIV-positive woman pass the virus to her baby?

A)kissing
B)cuddling
C)breastfeeding
D)None of these.
Question
Which of the following is a direct route of HIV transmission?

A)drinking
B)ingesting drugs
C)injecting drugs
D)smoking
Question
When HIV is diagnosed before or during pregnancy,if appropriate medical treatment is given,the virus becomes undetectable,and the mother does not breastfeed,HIV transmission to the baby or child can be reduced to less than

A)1 percent.
B)5 percent.
C)15 percent.
D)30 percent.
Question
What percentage of untreated HIV positive pregnant women will pass the virus on to their babies?

A)about 15 percent
B)25-33 percent
C)50-65 percent
D)almost 100 percent
Question
Through which of the following body fluids is AIDS transmissible?

A)sweat
B)tears
C)semen
D)All of these.
Question
AIDS refers to a "syndrome" because symptoms occur as a group.
Question
Which of the following is a treatment for people infected with HIV?

A)photoherapy
B)macrophagic cell enlargement therapy
C)antiretroviral therapy
D)xenotransplantation
Question
Which of the following is NOT a recommended practice for persons who are HIV positive?

A)Practice safer sex.
B)Stop smoking tobacco.
C)Limit alcohol.
D)Avoid contact with other HIV-positive people.
Question
Abraham is attempting to determine the number of new cases of HIV in his community,and the gender and socioeconomic status of those infected.He finds that majority of those infected are homosexuals.These characteristics under study are called

A)demographics.
B)socionics.
C)semiotics.
D)ethnographics.
Question
Which of the following is the most common route of HIV infection in children?

A)through infected paraphernalia
B)through perinatal transmission
C)through infected blood transfusions
D)through parenteral transmission
Question
Which of the following sexual behaviors is considered to have a lesser risk of contracting HIV?

A)oral sex
B)heterosexual anal sex
C)vaginal sex
D)homosexual anal sex
Question
The largest group of women who are HIV-positive were infected through

A)engaging in oral intercourse.
B)high-risk heterosexual contact.
C)having unprotected fellatio.
D)an HIV-positive mother.
Question
The most common test for HIV antibodies is

A)the OraQuick In-Home test.
B)the antibody screening test.
C)the RNA test.
D)the Western blot test.
Question
After repeated sexual contacts with random individuals over a period of time,Skye believes that he has contracted HIV.He does not want to visit a clinic for the test for the fear of being exposed.He also has a fear of needles and avoids getting any kind of blood test that may involve pricking to collect blood samples.In this case,which of the following methods of testing works best for Skye?

A)Home Access HIV-1 Test System
B)OraQuick In-Home HIV Test
C)antibody screening test
D)qualitative hCG Blood Test
Question
AIDS is the initial stage of HIV infection.
Question
Isaac has an active sexual lifestyle that involves more than one partner.To protect himself best,Isaac needs to

A)use condoms consistently.
B)stop donating blood.
C)avoid sharing utensils and toilets with his partners.
D)limit his sexual activities to vaginal-penile intercourse.
Question
Which of the following is true about HIV tests?

A)A negative test result does not necessarily mean that one does not has HIV.
B)A HIV test needs to be performed only under the supervision of a physician.
C)A HIV test is a way to find out if one's partner is infected.
D)A positive HIV test result means one is AIDS affected.
Question
How do antiretroviral drugs work?

A)They kill HIV.
B)They cause the body to increase production of all types of T cells.
C)They fight opportunistic infections.
D)They prevent HIV from replicating.
Question
Which of the following groups accounts for the vast majority of new HIV infections among all African American men?

A)those who have sex with men
B)those who have heterosexual intercourse
C)those who use intravenous drugs
D)those who have undergone blood transfusion
Question
Which of the following approaches to HIV prevention is most likely to be controversial?

A)installing condom dispensers in restaurant bathrooms
B)training teen peer counselors to talk to classmates about safe sex
C)distributing literature that spreads awareness about HIV infection and AIDS
D)conducting syringe exchange programs for injection drug use
Question
Which of the following racial and ethnic groups has been impacted most severely by HIV and AIDS?

A)Latinos
B)Whites
C)African Americans
D)Asians
Question
In the context of the prevention of HIV or sexually transmitted infection,the goal of researchers working on topical microbicides is to develop a microbicidal gel,cream,film,or suppository that individuals

A)can apply to the vagina prior to intercourse.
B)can apply to the penis following intercourse.
C)can pair with antibiotics.
D)can pair with a powerful vaccine.
Question
Which of the following is NOT a common way that women are infected with HIV?

A)unprotected oral or vaginal sex
B)injection drug use
C)unprotected anal sex
D)exposure in health care occupations
Question
HIV spread very rapidly through the gay male population because

A)of the wildly promiscuous lifestyle of gay men.
B)anal sex is such an efficient mode of transmission.
C)the hormonal imbalance in gay men make them more susceptible to HIV infection.
D)gay men generally do not use condoms when performing fellatio.
Question
According to a recent study of women at urban health clinics,which of the following is likely to play a larger role in HIV transmission than race or ethnicity?

A)poverty
B)lack of access to health care
C)housing insecurity
D)All of these.
Unlock Deck
Sign up to unlock the cards in this deck!
Unlock Deck
Unlock Deck
1/106
auto play flashcards
Play
simple tutorial
Full screen (f)
exit full mode
Deck 16: Hiv and Aids
1
AIDS stands for

A)Altered Immune Defense System.
B)Acquired Immunodeficiency Syndrome.
C)Atypical Immunodefense Syndrome.
D)Asymptomatic Immune Disorder.
B
2
What is a common type of cancer NOT associated with AIDS?

A)cancer of the blood vessels
B)colorectal cancer
C)cancer of the lymphatic system
D)cervical cancer
B
3
Your friend Dean has been battling HIV for several years.Recently you have noticed purple blotches appearing on his skin.He is most likely dealing with

A)mycobacterium avium intracellulare.
B)Lou Gehrig's disease.
C)Pneumocystis carinii pneumonia.
D)Kaposi's sarcoma.
D
4
Which of the following statements about the leukocytes is false?

A)Leukocytes can be found in the blood,lymph nodes,skin,and intestinal mucous membranes.
B)One type of leukocyte is the lymphocyte.
C)Leukocytes play major roles in defending the body against invading organisms and mutant cells.
D)Platelets are sometimes called leukocytes.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
5
In a healthy immune system,antibodies function to

A)create additional macrophages.
B)inactivate and mark antigens for destruction.
C)engulf foreign particles and destroy them.
D)signal the spleen to produce more leukocytes.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
6
AIDS is called a syndrome because

A)the symptoms occur in groups.
B)it attacks the immune system.
C)it is acquired,not inherited.
D)the rate of disease progression varies.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
7
Manoj has sexual encounters with multiple partners.He contracts HIV and lives with it for almost seven years during which he exhibits little to no signs of a terminal illness.He even gets a home test done and the result turns out to be HIV negative.Which of the following is a safe conclusion that can be made from the characteristics exhibited by Manoj?

A)Manoj is as healthy as any other individual and can donate blood to others in need without any concerns.
B)Manoj's infection is highly contagious and can spread to others in spite of his apparent healthy disposition.
C)Manoj is healthy because his HIV test turned out to be negative and there is no cause to worry.
D)Manoj's infection is spreading but is not contagious because his test results proves so.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
8
Kaposi's sarcoma refers to a cancer of the

A)lungs.
B)skin.
C)blood vessels.
D)stomach.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
9
How did scientific awareness of HIV begin?

A)The United Nations alerted the world about an epidemic in developing countries.
B)Gay men protested the lack of adequate funding for research on all sexually transmitted infections (STIs).
C)Physicians noted rare diseases in healthy young men in major U.S.cities.
D)The same bacteria causing other STIs were found to have mutated into a new form.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
10
At first,AIDS within the United States seemed to be confined principally to three groups: gay men,Haitians,and people with

A)hemophiliA.
B)neurocognitive disorders.
C)eating disorders.
D)haemochromatosis.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
11
Which of the following engulfs foreign particles?

A)enzymes
B)plasma
C)macrophages
D)hormones
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
12
Lymphocytes include

A)antigens and antibodies.
B)macrophages and leukocytes.
C)B cells and several types of T cells.
D)all of these.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
13
The process by which a person develops antibodies is called

A)anastalsis.
B)seroconversion.
C)insemination.
D)opsonisation.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
14
Gordon suddenly loses a great deal of weight,feels very weak,and has persistent diarrhea.This condition is called

A)wasting syndrome.
B)cytomegalovirus.
C)gonorrhea.
D)syphilis.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
15
Charles has been experiencing changes in his moods and,consequently,in his ?behavior.He has been having difficulty moving around and frequently forgets what he was about to do.What clinical condition associated with AIDS is he suffering from?

A)wasting syndrome
B)AIDS lymphoma
C)AIDS dementia
D)cytomegalovirus
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
16
Maury,who is HIV positive,is diagnosed with a type of cancer that is commonly associated with AIDS.In this case,Maury is most likely to be diagnosed with

A)pancreatic cancer.
B)cancer of the lymphatic system.
C)cancer in the colon.
D)prostate cancer.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
17
Which of the following statements is true of AIDS?

A)If a person's CD4 count is above 200,it means that he or she has AIDS.
B)AIDS is inherited.
C)If a person is tested HIV positive,it means that he or she has AIDS.
D)AIDS is the final stage of HIV infection.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
18
Leukocytes are a type of

A)plasmA.
B)red blood cells.
C)white blood cells.
D)platelets.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
19
To say that AIDS is an acquired disease means that it is

A)not inherited.
B)not communicable.
C)easily curable.
D)easily transmitted.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
20
Miranda just received the results of her blood test,and it showed the presence of HIV antibodies and a T-cell count below 200.This means that Miranda

A)is HIV positive.
B)is HIV negative or has been recently infected.
C)has to repeat the test as the result is unclear.
D)has AIDS.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
21
Retrovirus are viruses that have the ability to

A)reverse the normal genetic writing process.
B)cause an overproduction of macrophages in the lymphatic system.
C)alter the genetic structure of the helper T cells.
D)attack both red and white blood cells in the body.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
22
How does HIV kill T cells?

A)It engulfs macrophages,which then enlarges and engulfs all other types of lymphocytes.
B)It weakens red blood cells so that they no longer produce antibodies and attack antigens.
C)It alters the DNA of the host T cell and causes the T cell to replicate HIV rather than itself.
D)It attacks and destroys the suppressor T cells by altering their metabolism.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
23
One of the reasons HIV is difficult to destroy once it has infected a person is because

A)the virus has the tendency to mutate.
B)the virus can thrive even outside the host.
C)antibodies are attracted to GP 120 in HIV.
D)the virus can propel itself independently in the host.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
24
Which of the following is programmed to "read" the antigens and then begin directing the immune system's response?

A)helper T cells
B)killer T cells
C)macrophages
D)platelets
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
25
CD4 count refers to the number of

A)helper T cells present in a cubic millimeter of blood.
B)killer T cells present in a cubic milliliter of blood.
C)white blood cells present in the blood.
D)platelets in the blood.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
26
The CD4 receptors on a helper T cell are attracted to

A)GP 120 in HIV.
B)GP 41 in HIV.
C)p17 in HIV.
D)Ero 1 in HIV.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
27
Dominique thinks that she was exposed to HIV.When will the antibodies be detectable in her blood?

A)1-2 years following exposure
B)15-20 weeks following exposure
C)4-5 years following exposure
D)3-8 weeks following exposure
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
28
Who among the following HIV-infected persons is the most infectious?

A)Sean whose CD4 count is slightly increasing
B)Maria whose infection is in the stage where the virus is rapidly replicating
C)Henry who is diagnosed with AIDS,the final stage of HIV infection
D)Liam whose level of HIV RNA in the blood is steadily declining
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
29
Harold is in the advanced phase of HIV infection and the number of HIV-infected cells in his body is high.During this phase,his T-cell count is likely to go down to

A)between 200 to 500 per milliliter of blood.
B)less than 200 per milliliter of blood.
C)between 500 to 1600 per milliliter of blood.
D)more than 500 per milliliter of blood.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
30
Which of the following attack and kill foreign bodies such as bacteria and ?viruses?

A)macrophages and killer T cells
B)thrombocytes and monocytes
C)helper T cells and erythrocytes
D)killer T cells and platelets
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
31
Which of the following statements about the early phase of HIV infection is false?

A)Many people experience what seems like a severe case of the flu.
B)The CD4 count suddenly rises as the virus begins replication.
C)The virus undergoes a seeding process and is dispersed throughout the lymphatic system.
D)The virus begins to destroy T cells and replicate itself.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
32
Large molecules that are capable of stimulating the immune system and then reacting with the antibodies that are released to fight them are called

A)lymph nodes.
B)antigens.
C)macrophages.
D)helper T cells.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
33
Which of the following is NOT a characteristic of a virus?

A)It is basically a protein-coated gene package.
B)It can move independently throughout the body.
C)It cannot reproduce unless they are inside a host cell.
D)It invades a cell and alters the way in which the cell reproduces itself.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
34
According to the World Health Organization (WHO)and the Joint United Nations Programme on HIV/AIDS (UNAIDS),what is the estimated number of people living with HIV worldwide?

A)14 million
B)20 million
C)35 million
D)54 million
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
35
In the initial acute illness stage of HIV infection,the virus is dispersed throughout the lymph nodes,where it replicates through a process called

A)seroconversion.
B)seeding.
C)scarification.
D)sequencing.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
36
The study of the incidence,process,distribution,and control of a disease is called

A)entomology.
B)demographics.
C)epidemiology.
D)edaphology.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
37
Which of the following refers to white blood cells that display the invader's antigen like a signal flag?

A)helper T cells
B)antibodies
C)macrophages
D)antigens
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
38
Antigens are

A)large molecules that activate the immune system.
B)enzymes within the body that attack invading organisms.
C)chemical barriers that surround uninfected cells.
D)cells that bind to antibodies,inactivate them,and mark them for destruction by killer cells.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
39
The first detectable sign of HIV infection in the body is

A)the sharp increase of CD4 cells in the blood.
B)the presence of HIV antibodies in the blood.
C)the sharp decrease of HIV RNA in the blood.
D)the presence of macrophages and B cells in the blood.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
40
The prevalence of HIV infection is by far the greatest in

A)South AmericA.
B)the Pacific Islands.
C)the Middle East.
D)Africa.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
41
After a teenager in the neighborhood was diagnosed with HIV,Mark would not allow his teenage children to use the public toilets in that area,fearing they could get infected too.Which of the following statements is true in this scenario?

A)HIV could pass from an infected person to a healthy person through the toilet seat cover.
B)HIV can be transmitted through the human feces of an infected person,and the father is wise to protect his children.
C)Although the virus cannot be transmitted through shared toilet seats,Mark is wise to be concerned since it can be transmitted through sink usage.
D)HIV is not transmitted through the usage of same toilet seats.Routes of HIV transmission are well documented.There is no danger.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
42
Which of the following is NOT a myth connected with AIDS?

A)HIV is spread by contact with the toilet seat used by someone who is infected with the virus.
B)HIV can be contracted from mosquito bites.
C)HIV may be transmitted through the saliva of an HIV-infected person.
D)HIV is spread by sharing needles with someone who is infected with the virus.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
43
Which of the following has never been shown to result in the transmission of HIV?

A)pre-seminal fluid
B)breast milk
C)sweat
D)semen
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
44
Who among the following is at a much higher risk of HIV transmission through vaginal sex without a condom?

A)men
B)women
C)men and women equally
D)The risk of transmission through vaginal sex is very low so it is difficult to estimate if there are gender differences.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
45
Who among the following is at a higher risk of contracting HIV?

A)Rina,who has vaginal sex with her partner without a condom
B)Greg,who engages in cunnilingus with his HIV-infected wife
C)Bianca,who indulges in open-mouth kissing with her partner
D)Peter,who shares his toilet seat with his HIV-infected friend
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
46
Anal intercourse is extremely risky for the transmission of HIV because

A)the existence of semen and feces within the rectum can help the virus develop.
B)the membrane lining the rectum ruptures easily,exposing blood vessels.
C)the virus can enter the stomach through the digestive system.
D)there are many leukocytes present within the colon.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
47
Women are at more risk than men in contracting HIV through vaginal intercourse without a condom because

A)they are inherently more susceptible to HIV/AIDS than men.
B)they are mentally vulnerable compared to men.
C)the process of menstruation increase their chances of infection.
D)the lining of the vagina can tear.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
48
Which of the following is considered to be the most risky sexual behavior?

A)unprotected vaginal-penile sex
B)unprotected anal sex
C)fellatio
D)cunnilingus
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
49
Both men and women are at a maximum risk for HIV transmission when they ?engage in

A)unprotected vaginal intercourse.
B)unprotected fellatio or cunnilingus.
C)unprotected anal intercourse.
D)same-sex sexual activity.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
50
The World Health Organization (WHO)and Joint United Nations Programme on HIV/AIDS (UNAIDS)state that the rates of new HIV infections are

A)steadily increasing in the developing countries.
B)going down in the United States but increasing in the other countries.
C)doubling all over the world.
D)going down all over the world.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
51
Niya contracts HIV as a result of having sexual intercourse with her boyfriend,who is infected with HIV.She gets pregnant,and months later she gives birth to a healthy baby boy.Given that her baby has not contracted HIV yet,which of the following must she do in order to ensure that her baby is HIV-free?

A)She should refrain from breastfeeding her baby because the virus can spread the virus.
B)She should refrain from using the same utensils she uses for feeding her baby as the virus can spread through saliva.
C)She should ensure that her baby does not come into contact with her tears or sweat as the virus can be transmitted through these fluids.
D)She should refrain from cuddling and kissing the baby because the virus can spread through typical social contact.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
52
Since the epidemic began,the proportion of AIDS diagnoses among

A)Whites has decreased and African Americans has increased.
B)Whites has remained the same and African Americans has decreased.
C)Whites has increased and African Americans has decreased.
D)Whites has increased and African Americans remained the same.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
53
Which of the following can increase the risk of HIV infection?

A)eating food prepared by an HIV-infected food handler
B)donating blood
C)cuddling an HIV-infected person
D)having multiple sex partners
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
54
Which of the following is NOT a way in which HIV can be transmitted?

A)through closed-mouth kissing
B)through using shared sex toys
C)through unprotected oral-genital contact
D)through unprotected vaginal intercourse
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
55
According to the World Health Organization (WHO)and Joint United Nations Programme on HIV/AIDS (UNAIDS),how many million people have died of AIDS worldwide?

A)a little over 2 million
B)5 million
C)12 million
D)over 39 million
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
56
In which of the following ways can an HIV-positive woman pass the virus to her baby?

A)kissing
B)cuddling
C)breastfeeding
D)None of these.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
57
Which of the following is a direct route of HIV transmission?

A)drinking
B)ingesting drugs
C)injecting drugs
D)smoking
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
58
When HIV is diagnosed before or during pregnancy,if appropriate medical treatment is given,the virus becomes undetectable,and the mother does not breastfeed,HIV transmission to the baby or child can be reduced to less than

A)1 percent.
B)5 percent.
C)15 percent.
D)30 percent.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
59
What percentage of untreated HIV positive pregnant women will pass the virus on to their babies?

A)about 15 percent
B)25-33 percent
C)50-65 percent
D)almost 100 percent
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
60
Through which of the following body fluids is AIDS transmissible?

A)sweat
B)tears
C)semen
D)All of these.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
61
AIDS refers to a "syndrome" because symptoms occur as a group.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
62
Which of the following is a treatment for people infected with HIV?

A)photoherapy
B)macrophagic cell enlargement therapy
C)antiretroviral therapy
D)xenotransplantation
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
63
Which of the following is NOT a recommended practice for persons who are HIV positive?

A)Practice safer sex.
B)Stop smoking tobacco.
C)Limit alcohol.
D)Avoid contact with other HIV-positive people.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
64
Abraham is attempting to determine the number of new cases of HIV in his community,and the gender and socioeconomic status of those infected.He finds that majority of those infected are homosexuals.These characteristics under study are called

A)demographics.
B)socionics.
C)semiotics.
D)ethnographics.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
65
Which of the following is the most common route of HIV infection in children?

A)through infected paraphernalia
B)through perinatal transmission
C)through infected blood transfusions
D)through parenteral transmission
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
66
Which of the following sexual behaviors is considered to have a lesser risk of contracting HIV?

A)oral sex
B)heterosexual anal sex
C)vaginal sex
D)homosexual anal sex
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
67
The largest group of women who are HIV-positive were infected through

A)engaging in oral intercourse.
B)high-risk heterosexual contact.
C)having unprotected fellatio.
D)an HIV-positive mother.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
68
The most common test for HIV antibodies is

A)the OraQuick In-Home test.
B)the antibody screening test.
C)the RNA test.
D)the Western blot test.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
69
After repeated sexual contacts with random individuals over a period of time,Skye believes that he has contracted HIV.He does not want to visit a clinic for the test for the fear of being exposed.He also has a fear of needles and avoids getting any kind of blood test that may involve pricking to collect blood samples.In this case,which of the following methods of testing works best for Skye?

A)Home Access HIV-1 Test System
B)OraQuick In-Home HIV Test
C)antibody screening test
D)qualitative hCG Blood Test
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
70
AIDS is the initial stage of HIV infection.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
71
Isaac has an active sexual lifestyle that involves more than one partner.To protect himself best,Isaac needs to

A)use condoms consistently.
B)stop donating blood.
C)avoid sharing utensils and toilets with his partners.
D)limit his sexual activities to vaginal-penile intercourse.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
72
Which of the following is true about HIV tests?

A)A negative test result does not necessarily mean that one does not has HIV.
B)A HIV test needs to be performed only under the supervision of a physician.
C)A HIV test is a way to find out if one's partner is infected.
D)A positive HIV test result means one is AIDS affected.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
73
How do antiretroviral drugs work?

A)They kill HIV.
B)They cause the body to increase production of all types of T cells.
C)They fight opportunistic infections.
D)They prevent HIV from replicating.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
74
Which of the following groups accounts for the vast majority of new HIV infections among all African American men?

A)those who have sex with men
B)those who have heterosexual intercourse
C)those who use intravenous drugs
D)those who have undergone blood transfusion
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
75
Which of the following approaches to HIV prevention is most likely to be controversial?

A)installing condom dispensers in restaurant bathrooms
B)training teen peer counselors to talk to classmates about safe sex
C)distributing literature that spreads awareness about HIV infection and AIDS
D)conducting syringe exchange programs for injection drug use
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
76
Which of the following racial and ethnic groups has been impacted most severely by HIV and AIDS?

A)Latinos
B)Whites
C)African Americans
D)Asians
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
77
In the context of the prevention of HIV or sexually transmitted infection,the goal of researchers working on topical microbicides is to develop a microbicidal gel,cream,film,or suppository that individuals

A)can apply to the vagina prior to intercourse.
B)can apply to the penis following intercourse.
C)can pair with antibiotics.
D)can pair with a powerful vaccine.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
78
Which of the following is NOT a common way that women are infected with HIV?

A)unprotected oral or vaginal sex
B)injection drug use
C)unprotected anal sex
D)exposure in health care occupations
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
79
HIV spread very rapidly through the gay male population because

A)of the wildly promiscuous lifestyle of gay men.
B)anal sex is such an efficient mode of transmission.
C)the hormonal imbalance in gay men make them more susceptible to HIV infection.
D)gay men generally do not use condoms when performing fellatio.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
80
According to a recent study of women at urban health clinics,which of the following is likely to play a larger role in HIV transmission than race or ethnicity?

A)poverty
B)lack of access to health care
C)housing insecurity
D)All of these.
Unlock Deck
Unlock for access to all 106 flashcards in this deck.
Unlock Deck
k this deck
locked card icon
Unlock Deck
Unlock for access to all 106 flashcards in this deck.