Question 1

Which of the following is incorrect regarding Coronaviruses?

Accepted Answer

A) One type can cause the common cold. 
B) One type can cause SARS. 
C) They are common animal viruses in pigs, dogs, cats, and poultry. 
D) There are no tests to confirm diagnosis. 
E) There is no specific treatment other than supportive care. 
A) One type can cause the common cold. 
B) One type can cause SARS. 
C) They are common animal viruses in pigs, dogs, cats, and poultry. 
D) There are no tests to confirm diagnosis. 
E) There is no specific treatment other than supportive care. D

Question 2

A vaccine is currently available to prevent HIV infection.

Accepted Answer

A) True 
 B)False  False

Question 3

Which is incorrect about the MMR immunization?

Accepted Answer

A) It contains attenuated viruses. 
B) It contains toxoids. 
C) It is given in early childhood. 
D) It provides protection against three different viral diseases. 
A) It contains attenuated viruses. 
B) It contains toxoids. 
C) It is given in early childhood. 
D) It provides protection against three different viral diseases. B

Question 4

Orchitis and epididymitis is seen in young adult males as a complication of

Accepted Answer

A) croup. 
B) mumps. 
C) influenza. 
D) measles (rubeola). 
E) rubella. 
A) croup. 
B) mumps. 
C) influenza. 
D) measles (rubeola). 
E) rubella.

Question 5

Subacute sclerosing panencephalitis is caused by a prion.

Accepted Answer

A) True 
 B)False

Question 6

Combination therapy for HIV is based on the assumption that it highly unlikely for multiple simultaneous mutations to cause resistance to each of the drugs used.

Accepted Answer

A) True 
 B)False

Question 7

Which two hepatitis viruses are generally acquired in a similar manner?

Accepted Answer

A) HBA and HBV 
B) HBA and HBC 
C) HBV and HBC 
A) HBA and HBV 
B) HBA and HBC 
C) HBV and HBC

Question 8

The major agents responsible for the common cold are

Accepted Answer

A) coxsackie viruses. 
B) rhinoviruses. 
C) influenza viruses. 
D) Caliciviruses. 
E) rotavirus. 
A) coxsackie viruses. 
B) rhinoviruses. 
C) influenza viruses. 
D) Caliciviruses. 
E) rotavirus.

Question 9

Which of the following is correct about polio?

Accepted Answer

A) The disease is still affecting millions of people worldwide, mainly in Africa and India. 
B) The disease is spread by the respiratory route. 
C) The oral polio vaccine (OPV) is not responsible for causing any polio. 
D) The Sabin vaccine is preferred over the Salk vaccine in the United States today. 
E) The virus multiplies in the mucosa of the intestines and is shed in feces. 
A) The disease is still affecting millions of people worldwide, mainly in Africa and India. 
B) The disease is spread by the respiratory route. 
C) The oral polio vaccine (OPV) is not responsible for causing any polio. 
D) The Sabin vaccine is preferred over the Salk vaccine in the United States today. 
E) The virus multiplies in the mucosa of the intestines and is shed in feces.

Question 10

Symptoms of influenza include

Accepted Answer

A) nasal discharge, mild fever, and absence of cough. 
B) fever, diarrhea, vomiting. 
C) fever, myalgia, sore throat, cough, nasal discharge. 
D) fever, sore throat, rash, cough. 
E) fever and pneumonia. 
A) nasal discharge, mild fever, and absence of cough. 
B) fever, diarrhea, vomiting. 
C) fever, myalgia, sore throat, cough, nasal discharge. 
D) fever, sore throat, rash, cough. 
E) fever and pneumonia.

Question 11

Rubella is

Accepted Answer

A) caused by the measles virus (Morbillivirus). 
B) a zoonosis. 
C) associated with congenital transmission causing miscarriage, deafness, and cardiac and mental defects. 
D) characterized by high fever, severe sore throat, severe cough, and myalgia. 
E) All of these choices are correct. 
A) caused by the measles virus (Morbillivirus). 
B) a zoonosis. 
C) associated with congenital transmission causing miscarriage, deafness, and cardiac and mental defects. 
D) characterized by high fever, severe sore throat, severe cough, and myalgia. 
E) All of these choices are correct.

Question 12

Aedes mosquitoes are the vector involved in yellow fever, and dengue fever, and Zika virus transmission.

Accepted Answer

A) True 
 B)False

Question 13

Which is correct about influenza?

Accepted Answer

A) Antigenic shift is a minor change in the viral strain. 
B) The virus is found in swine and cats. 
C) The virus is grown in poultry eggs for vaccines. 
D) Influenza A has a mortality rate of close to 35%. 
E) The virus binds to the intestinal mucosa. 
A) Antigenic shift is a minor change in the viral strain. 
B) The virus is found in swine and cats. 
C) The virus is grown in poultry eggs for vaccines. 
D) Influenza A has a mortality rate of close to 35%. 
E) The virus binds to the intestinal mucosa.

Question 14

West Nile virus has the following characteristics, except

Accepted Answer

A) it causes a hemorrhagic fever. 
B) it is an arbovirus. 
C) it is transmitted by a mosquito vector. 
D) it is typically a flu-like illness. 
E) it causes a severe encephalitis in less than 1% of infected persons. 
A) it causes a hemorrhagic fever. 
B) it is an arbovirus. 
C) it is transmitted by a mosquito vector. 
D) it is typically a flu-like illness. 
E) it causes a severe encephalitis in less than 1% of infected persons.

Question 15

All of the following pertain to poliomyelitis, except

Accepted Answer

A) summer outbreaks in the United States have been recently increasing. 
B) it is transmitted primarily by fecal contaminated water. 
C) it can be asymptomatic or mild with headache, sore throat, fever, and nausea. 
D) if virus enters the central nervous system, motor neurons can be infected and destroyed. 
E) there are effective vaccines to prevent polio. 
A) summer outbreaks in the United States have been recently increasing. 
B) it is transmitted primarily by fecal contaminated water. 
C) it can be asymptomatic or mild with headache, sore throat, fever, and nausea. 
D) if virus enters the central nervous system, motor neurons can be infected and destroyed. 
E) there are effective vaccines to prevent polio.

Question 16

All the following are correct about the polio vaccines, except

Accepted Answer

A) the inactivated polio vaccine (IPV) can occasionally revert to a neurovirulent strain. 
B) treatment for polio involves mainly alleviating pain and suffering. 
C) the virus is transmitted through the fecal-oral route. 
D) most infections do not result in paralysis. 
E) Dr.Jonas Salk developed the IPV vaccine in 1954. 
A) the inactivated polio vaccine (IPV) can occasionally revert to a neurovirulent strain. 
B) treatment for polio involves mainly alleviating pain and suffering. 
C) the virus is transmitted through the fecal-oral route. 
D) most infections do not result in paralysis. 
E) Dr.Jonas Salk developed the IPV vaccine in 1954.

Question 17

The spikes of a paramyxovirus bind and fuse adjacent host cell membranes to produce a _____.

Accepted Answer

The answer of The spikes of a paramyxovirus bind and...

Question 18

Why were blood transfusions prior to 1985 more likely to be associated with Hepatitis C transmission than blood transfusions done since 1985?

Accepted Answer

A) Since 1985, the incidence of Hepatitis C infection in the general population has been significantly lower than it was prior to 1985. 
B) Since 1985, donor blood is tested for the human immunodeficiency virus. 
C) Since 1985, the processing and storage of donor blood destroys any Hepatitis C virus in the blood. 
D) Since 1985, donor blood has been tested for either nonA, nonB Hepatitis virus or specifically for Hepatitis C virus. 
A) Since 1985, the incidence of Hepatitis C infection in the general population has been significantly lower than it was prior to 1985. 
B) Since 1985, donor blood is tested for the human immunodeficiency virus. 
C) Since 1985, the processing and storage of donor blood destroys any Hepatitis C virus in the blood. 
D) Since 1985, donor blood has been tested for either nonA, nonB Hepatitis virus or specifically for Hepatitis C virus.

Question 19

Hydrophobia, the dumb phase, and Negri bodies in nervous tissue are all part of which disease?

Accepted Answer

A) rabies 
B) dengue fever 
C) Norwalk virus 
D) subacute sclerosing panencephalitis (SSP
E)  
E) Creutzfeldt-Jakob Disease 
A) rabies 
B) dengue fever 
C) Norwalk virus 
D) subacute sclerosing panencephalitis (SSP
E)  
E) Creutzfeldt-Jakob Disease

Question 20

Which part of HIV facilitates attachment of HIV to TH cells?

Accepted Answer

A) integrase 
B) GP-120 
C) fusion promoter 
D) protease 
E) capsid proteins 
A) integrase 
B) GP-120 
C) fusion promoter 
D) protease 
E) capsid proteins

Exam 25: The Rna Viruses That Infect Humans

Which of the following is incorrect regarding Coronaviruses?

A vaccine is currently available to prevent HIV infection.

Which is incorrect about the MMR immunization?

Orchitis and epididymitis is seen in young adult males as a complication of

Subacute sclerosing panencephalitis is caused by a prion.

Combination therapy for HIV is based on the assumption that it highly unlikely for multiple simultaneous mutations to cause resistance to each of the drugs used.

Which two hepatitis viruses are generally acquired in a similar manner?

The major agents responsible for the common cold are

Which of the following is correct about polio?

Symptoms of influenza include

Rubella is

Aedes mosquitoes are the vector involved in yellow fever, and dengue fever, and Zika virus transmission.

Which is correct about influenza?

West Nile virus has the following characteristics, except

All of the following pertain to poliomyelitis, except

All the following are correct about the polio vaccines, except

The spikes of a paramyxovirus bind and fuse adjacent host cell membranes to produce a _____.

Why were blood transfusions prior to 1985 more likely to be associated with Hepatitis C transmission than blood transfusions done since 1985?

Hydrophobia, the dumb phase, and Negri bodies in nervous tissue are all part of which disease?

Which part of HIV facilitates attachment of HIV to TH cells?

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

Introduction to Viruses That Infect Humans: the Dna Viruses

Environmental Microbiology

Applied and Industrial Microbiology

Filters

Which part of HIV facilitates attachment of HIV to T_H cells?