Question 1

Fifth disease:

Accepted Answer

A) is caused by Parvovirus B19. 
B) is a childhood febrile disease with a bright red rash on the cheeks. 
C) involves pathogen capable of crossing the placenta. 
D) in immunodeficient children, destroys red blood cell stem cells. 
E) All of the choices are correct. 
A) is caused by Parvovirus B19. 
B) is a childhood febrile disease with a bright red rash on the cheeks. 
C) involves pathogen capable of crossing the placenta. 
D) in immunodeficient children, destroys red blood cell stem cells. 
E) All of the choices are correct.

Question 2

Cytomegalovirus mononucleosis typically has fever and lymphocytosis, but in severely immunocompromised patients symptoms include:

Accepted Answer

A) vesicular lesions in oral mucosa. 
B) pocks on skin. 
C) sore throat, fever, and tinnitus. 
D) severe diarrhea, pneumonitis, hepatitis, and retinitis. 
E) None of the choices are correct. 
A) vesicular lesions in oral mucosa. 
B) pocks on skin. 
C) sore throat, fever, and tinnitus. 
D) severe diarrhea, pneumonitis, hepatitis, and retinitis. 
E) None of the choices are correct.

Question 3

Chickenpox:

Accepted Answer

A) is transmitted by inhalation of respiratory secretions. 
B) is transmitted by skin lesion contact or airborne spread of lesion material. 
C) has an incubation of 10 to 20 days. 
D) has fever, and vesicular rash that occurs in successive crops. 
E) All of the choices are correct. 
A) is transmitted by inhalation of respiratory secretions. 
B) is transmitted by skin lesion contact or airborne spread of lesion material. 
C) has an incubation of 10 to 20 days. 
D) has fever, and vesicular rash that occurs in successive crops. 
E) All of the choices are correct.

Question 4

Molluscum contagiosum is transmitted by direct contact with skin lesions, fomites, and sexual activity.

Accepted Answer

A) True 
 B)False

Question 5

Human herpesvirus 6 (HHV-6) has the following characteristics, except:

Accepted Answer

A) it replicates in T lymphocytes, macrophages, and salivary gland tissue. 
B) it causes roseola in infants. 
C) it appears as a mononucleosis-like illness in adults. 
D) it causes Kaposi's sarcoma. 
E) it is transmitted by saliva. 
A) it replicates in T lymphocytes, macrophages, and salivary gland tissue. 
B) it causes roseola in infants. 
C) it appears as a mononucleosis-like illness in adults. 
D) it causes Kaposi's sarcoma. 
E) it is transmitted by saliva.

Question 6

The smallpox vaccine uses the _____ virus.

Accepted Answer

The answer of The smallpox vaccine uses the _____ virus....

Question 7

The hepadnaviruses:

Accepted Answer

A) include the adenoviruses. 
B) show tropism for the liver. 
C) are transmitted by respiratory secretions. 
D) are nonenveloped, double-stranded DNA viruses. 
E) All of the choices are correct. 
A) include the adenoviruses. 
B) show tropism for the liver. 
C) are transmitted by respiratory secretions. 
D) are nonenveloped, double-stranded DNA viruses. 
E) All of the choices are correct.

Question 8

Which of the following may cause reactivation of varicella-zoster virus as shingles?

Accepted Answer

A) developing malignancy 
B) X-ray treatments 
C) immunosuppressive conditions 
D) surgery 
E) All of the choices are correct. 
A) developing malignancy 
B) X-ray treatments 
C) immunosuppressive conditions 
D) surgery 
E) All of the choices are correct.

Question 9

Viruses with single-stranded DNA are the:

Accepted Answer

A) Herpesviruses. 
B) Poxviruses. 
C) Adenoviruses. 
D) Papovaviruses. 
E) Parvoviruses. 
A) Herpesviruses. 
B) Poxviruses. 
C) Adenoviruses. 
D) Papovaviruses. 
E) Parvoviruses.

Question 10

Compare and contrast Hepatitis B virus, Hepatitis A virus, and Hepatitis C virus with regard to: a) virus characteristics, b) reservoir, c) transmission, d) incubation, e) symptoms, f) complications, and g) immunization.

Accepted Answer

a) Virus characteristics:
- Hepatitis B

Question 11

Which is incorrect about Parvoviruses?

Accepted Answer

A) They cause several diseases in dogs, cats, and other mammals. 
B) They are-single stranded DNA viruses. 
C) They cannot be transmissible to the fetus. 
D) They cause a disease known as fifth disease. 
E) Parvovirus B19 causes erythema infectiosum 
A) They cause several diseases in dogs, cats, and other mammals. 
B) They are-single stranded DNA viruses. 
C) They cannot be transmissible to the fetus. 
D) They cause a disease known as fifth disease. 
E) Parvovirus B19 causes erythema infectiosum

Question 12

Parvovirus B19 causes a fatal anemia in the fetus.

Accepted Answer

A) True 
 B)False

Question 13

Chickenpox is caused by a poxvirus.

Accepted Answer

A) True 
 B)False

Question 14

Which is incorrect about smallpox?

Accepted Answer

A) There is an effective vaccine. 
B) Transmission is by ingesting contaminated water or food. 
C) The vaccine is effective even if given in the first few days after exposure. 
D) The poxvirus called variola is the etiological agent. 
E) The last case was seen in 1977. 
A) There is an effective vaccine. 
B) Transmission is by ingesting contaminated water or food. 
C) The vaccine is effective even if given in the first few days after exposure. 
D) The poxvirus called variola is the etiological agent. 
E) The last case was seen in 1977.

Question 15

All of the following belong to the Herpesviridae, except:

Accepted Answer

A) Varicella-zoster virus. 
B) Cytomegalovirus. 
C) Variola virus 
D) Herpes simplex viruses. 
E) Epstein-Barr virus. 
A) Varicella-zoster virus. 
B) Cytomegalovirus. 
C) Variola virus 
D) Herpes simplex viruses. 
E) Epstein-Barr virus.

Question 16

Herpes simplex-2 (HSV-2) causes:

Accepted Answer

A) genital lesions. 
B) intensely sensitive vesicles on or near the genitals. 
C) symptoms that include urethritis, cervicitis, and itching. 
D) infection in neonates that have contact with lesions in the birth canal. 
E) All of the choices are correct. 
A) genital lesions. 
B) intensely sensitive vesicles on or near the genitals. 
C) symptoms that include urethritis, cervicitis, and itching. 
D) infection in neonates that have contact with lesions in the birth canal. 
E) All of the choices are correct.

Question 17

Which is not correct about genital warts?

Accepted Answer

A) The etiological agent is the human polyoma virus JC. 
B) They are strongly associated with cancer of the penis. 
C) Treatment can involve laser surgery. 
D) It is the most common STD in the United States. 
E) They are strongly associated with cancer of the cervix. 
A) The etiological agent is the human polyoma virus JC. 
B) They are strongly associated with cancer of the penis. 
C) Treatment can involve laser surgery. 
D) It is the most common STD in the United States. 
E) They are strongly associated with cancer of the cervix.

Question 18

Inflammation of the liver with necrosis of the hepatocytes and swelling due to a mononuclear response is a disease called:

Accepted Answer

A) hepatitis. 
B) jaundice. 
C) liver cancer. 
D) mononucleosis. 
E) None of the choices are correct. 
A) hepatitis. 
B) jaundice. 
C) liver cancer. 
D) mononucleosis. 
E) None of the choices are correct.

Question 19

There are vaccines for immunity to the hepatitis B virus.

Accepted Answer

A) True 
 B)False

Question 20

Liver disease, such as hepatitis, can lead to bilirubin accumulation that causes a yellow tinge to skin and eyes called _____.

Accepted Answer

The answer of Liver disease, such as hepatitis, can lead...

Exam 24: Introduction to Viruses That Infect Humans: the Dna Viruses

Fifth disease:

Cytomegalovirus mononucleosis typically has fever and lymphocytosis, but in severely immunocompromised patients symptoms include:

Chickenpox:

Molluscum contagiosum is transmitted by direct contact with skin lesions, fomites, and sexual activity.

Human herpesvirus 6 (HHV-6) has the following characteristics, except:

The smallpox vaccine uses the _____ virus.

The hepadnaviruses:

Which of the following may cause reactivation of varicella-zoster virus as shingles?

Viruses with single-stranded DNA are the:

Compare and contrast Hepatitis B virus, Hepatitis A virus, and Hepatitis C virus with regard to: a) virus characteristics, b) reservoir, c) transmission, d) incubation, e) symptoms, f) complications, and g) immunization.

Which is incorrect about Parvoviruses?

Parvovirus B19 causes a fatal anemia in the fetus.

Chickenpox is caused by a poxvirus.

Which is incorrect about smallpox?

All of the following belong to the Herpesviridae, except:

Herpes simplex-2 (HSV-2) causes:

Which is not correct about genital warts?

Inflammation of the liver with necrosis of the hepatocytes and swelling due to a mononuclear response is a disease called:

There are vaccines for immunity to the hepatitis B virus.

Liver disease, such as hepatitis, can lead to bilirubin accumulation that causes a yellow tinge to skin and eyes called _____.

The Main Themes of Microbiology

The Chemistry of Biology

Tools of the Laboratory: Methods of Studying Microorganisms

A Survey of Prokaryotic Cells and Microorganisms

A Survey of Eukaryotic Cells and Microorganisms

An Introduction to Viruses

Microbial Nutrition, Ecology, and Growth

An Introduction to Microbial Metabolism: the Chemical Crossroads of Life

Microbial Genetics

Genetic Engineering: a Revolution in Molecular Biology

Physical and Chemical Agents for Microbial Control

Drugs, Microbes, Host--The Elements of Chemotherapy

Microbe-Human Interactions: Infection and Disease

An Introduction to Host Defenses and Innate Immunities

Adaptive, Specific Immunity and Immunization

Disorders in Immunity

Procedures for Identifying Pathogens and Diagnosing Infections

The Gram-Positive and Gram-Negative Cocci of Medical Importance

The Gram-Positive Bacilli of Medical Importance

The Gram-Negative Bacilli of Medical Importance

Miscellaneous Bacterial Agents of Disease

The Fungi of Medical Importance

The Parasites of Medical Importance

The Rna Viruses That Infect Humans

Environmental Microbiology

Applied and Industrial Microbiology

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