Question 1

The major agents responsible for the common cold are:

Accepted Answer

A)  Coxsackie viruses.
B)  Rhinoviruses.
C)  Influenza viruses.
D)  Caliciviruses.
E)  Rotavirus.F) A) and E)
G) A) and B)

Question 2

One positive test for the presence of HIV antibodies dictates the diagnosis as AIDS.

Accepted Answer

A) True 
 B)False

Question 3

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 4

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.F) A) and C)
G) None of the above

Question 5

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 DiseaseF) A) and E)
G) C) and D)

Question 6

Reye's syndrome involves:

Accepted Answer

A)  aspirin use.
B)  a febrile viral illness such as influenza or chickenpox.
C)  fatty degeneration of liver, brain, kidney.
D)  children, adolescents, and young adults.
E)  All of the choices are correct.F) B) and D)
G) A) and E)

Question 7

A vaccine is currently available to prevent HIV infection.

Accepted Answer

A) True 
 B)False

Question 8

The most serious teratogenic effects of intrauterine rubella infection occur if it is acquired during the third trimester.

Accepted Answer

A) True 
 B)False  False

Question 9

The main route for transmission of HIV in most parts of the world is through:

Accepted Answer

A)  intravenous drug use.
B)  homosexual sex.
C)  blood transfusion.
D)  heterosexual sex.
E)  blood products.F) A) and B)
G) A) and C)

Question 10

An antigenic _____ occurs when there is a minor change in antigenicity caused by small mutations in a single influenza virus strain.

Accepted Answer

Drift

Question 11

Coronaviruses cause:

Accepted Answer

A)  fever, rash, nasal discharge.
B)  meningitis.
C)  measles.
D)  croup.
E)  common cold and SARS.F) A) and D)
G) A) and E)

Question 12

A frequent cancer that is seen in AIDS patients is:

Accepted Answer

A)  leukemia.
B)  Hodgkin's lymphoma.
C)  Kaposi's sarcoma.
D)  melanoma.
E)  colon cancer.F) C) and E)
G) A) and D)

Question 13

Which is incorrect about rabies?

Accepted Answer

A)  is a zoonotic disease
B)  wild populations of bats, skunks, raccoons, cats, and canines are primary reservoirs
C)  transmission can involve bites, scratches, and inhalation
D)  average incubation in human is one week
E)  symptoms include anxiety, agitation, muscle spasms, convulsions, paralysisF) A) and E)
G) A) and B)

Question 14

The primary transmission route for acquiring agents of the common cold is by contact with hands and fomites contaminated with the nasal discharges of an infected person.

Accepted Answer

A) True 
 B)False

Question 15

Which is incorrect about the MMR immunization?

Accepted Answer

A)  contains attenuated virus
B)  contains toxoids
C)  is given in early childhood
D)  protects against 3 different viral diseases
E)  None of the choices are correct.F) B) and D)
G) A) and B)

Question 16

All arboviruses involve:

Accepted Answer

A)  congenital infection.
B)  arthropod vectors.
C)  diarrhea.
D)  birds as the primary reservoir.
E)  All of the choices are correct.F) A) and D)
G) A) and C)

Question 17

An antigenic _____ occurs when genome segments from different influenza strains recombine.

Accepted Answer

The answer of An antigenic _____ occurs when genome segments...

Question 18

What does AIDS stand for?

Accepted Answer

A)  aids induced diseases
B)  aids in disguises
C)  acquired immunodeficiency syndrome
D)  human acquired immunodeficiency syndromesE) B) and D)
F) All of the above

Question 19

Oral lesions called Koplik's spots are seen in patients with:

Accepted Answer

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

Question 20

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 U.S.today.
E)  The virus multiplies in the mucosa of the intestines and is shed in feces.F) A) and B)
G) C) and E) E

Exam 25: The Rna Viruses That Infect Humans

The major agents responsible for the common cold are:

Correct AnswerverifiedShow Answer

One positive test for the presence of HIV antibodies dictates the diagnosis as AIDS.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Symptoms of influenza include:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Reye's syndrome involves:

Correct AnswerverifiedShow Answer

A vaccine is currently available to prevent HIV infection.

Correct AnswerverifiedShow Answer

The most serious teratogenic effects of intrauterine rubella infection occur if it is acquired during the third trimester.

Correct AnswerverifiedFalse

The main route for transmission of HIV in most parts of the world is through:

Correct AnswerverifiedShow Answer

An antigenic _____ occurs when there is a minor change in antigenicity caused by small mutations in a single influenza virus strain.

Correct AnswerverifiedDrift

Coronaviruses cause:

Correct AnswerverifiedShow Answer

A frequent cancer that is seen in AIDS patients is:

Correct AnswerverifiedShow Answer

Which is incorrect about rabies?

Correct AnswerverifiedShow Answer

The primary transmission route for acquiring agents of the common cold is by contact with hands and fomites contaminated with the nasal discharges of an infected person.

Correct AnswerverifiedShow Answer

Which is incorrect about the MMR immunization?

Correct AnswerverifiedShow Answer

All arboviruses involve:

Correct AnswerverifiedShow Answer

An antigenic _____ occurs when genome segments from different influenza strains recombine.

Correct AnswerverifiedShow Answer

What does AIDS stand for?

Correct AnswerverifiedShow Answer

Oral lesions called Koplik's spots are seen in patients with:

Correct AnswerverifiedShow Answer

Which of the following is correct about polio?

Correct AnswerverifiedE

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False

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Drift

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E