Question 1

The worldwide, primary viral cause of morbidity and mortality from diarrhea is

Accepted Answer

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

Question 2

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) A) and D)
G) B) and E)

Question 3

Respiratory syncytial virus (Pneumovirus)

Accepted Answer

A)  causes serious disease in infants 6-months-old or younger.
B)  uses the nasopharynx as its main replication site.
C)  can be treated with the antiviral aerosol ribavirin.
D)  is the most common cause of respiratory infections in babies.
E)  All of these choices are correct.F) A) and D)
G) B) and D)

Question 4

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

Accepted Answer

The answer of An antigenic _____ occurs when there is...

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

Documented transmission of HIV involves

Accepted Answer

A)  mosquitoes.
B)  unprotected sexual intercourse and contact with blood/blood products.
C)  respiratory droplets.
D)  contaminated food.
E)  All of these choices are correct.F) A) and C)
G) A) and E)

Question 7

Which of the following diseases is not caused by a paramyxovirus?

Accepted Answer

A)  severe acute respiratory syndrome (SARS) 
B)  parainfluenza
C)  mumps
D)  measles
E)  respiratory syncytial virus (RSV)  infectionsF) A) and E)
G) A) and D)

Question 8

Which of the following could block the attachment of HIV to TH cells?

Accepted Answer

A)  integrase inhibitors
B)  antibodies against GP-120
C)  antibodies against co-receptors on TH cells
D)  fusion inhibitors
E)  antibodies against the HIV capsidF) B) and E)
G) B) and D)

Question 9

The influenza virus uses _____ spikes to bind to host cells.

Accepted Answer

The answer of The influenza virus uses _____ spikes to...

Question 10

Retroviruses have the enzyme _____ that catalyzes the synthesis of DNA from viral RNA.

Accepted Answer

reverse tr...

Question 11

Retroviruses have the following characteristics, except

Accepted Answer

A)  glycoprotein spikes.
B)  DNA genome.
C)  envelope.
D)  reverse transcriptase.
E)  viral genes that integrate into the host genome.F) All of the above
G) B) and D)

Question 12

Discuss the various stages of HIV infection and disease with regard to: a) signs and symptoms, b) corresponding virus activities, and c) diagnostic indicators.

Accepted Answer

The various stages of HIV infection and ...

Question 13

The MMR vaccination is for immunity to _____, _____, and _____.

Accepted Answer

measles, m...

Question 14

The major reservoir for the Sin Nombre hantavirus is the deer mouse.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following viruses is associated with adult T-cell leukemia?

Accepted Answer

A)  HIV
B)  HTLV-1
C)  Hepatitis C virus
D)  HTLV-2
E)  reovirusF) A) and E)
G) B) and E)

Question 16

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 D)
G) A) and D)

Question 17

Which area has the largest number of people living with HIV/AIDS?

Accepted Answer

A)  North America
B)  Sub-Saharan Africa
C)  Southeast Asia
D)  Carribbean
E)  Western EuropeF) C) and D)
G) None of the above

Question 18

Which is incorrect about measles?

Accepted Answer

A)  Koplik's spots appear before the characteristic rash.
B)  Humans are the sole reservoir.
C)  Vaccination is with an attenuated oral vaccine.
D)  It is also known as rubeola.
E)  It is one of the most contagious infectious diseases.F) B) and C)
G) A) and E)

Question 19

Which drug/s interfere with the action of an HIV enzyme needed for final assembly and maturation of the virus?

Accepted Answer

A)  reverse transcriptase inhibitors
B)  protease inhibitors
C)  fusion inhibitors
D)  integrase inhibitors
E)  All of these choices are correct.F) A) and B)
G) A) and C)

Question 20

All of the following pertain to HIV, except

Accepted Answer

A)  it attaches primarily to host cells with CD4 receptors.
B)  the viral DNA integrates into the host nucleus.
C)  it has reverse transcriptase.
D)  it causes Kaposi'sarcoma.
E)  it can enter into nervous tissues and cause abnormalities.F) C) and D)
G) A) and D)

Exam 25: The Rna Viruses That Infect Humans

Which of the following could block the attachment of HIV to TH cells?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Retroviruses have the enzyme _____ that catalyzes the synthesis of DNA from viral RNA.

Correct Answerverifiedreverse tr...View AnswerShow Answer

The major reservoir for the Sin Nombre hantavirus is the deer mouse.

Correct AnswerverifiedShow Answer

Which of the following viruses is associated with adult T-cell leukemia?

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 AnswerverifiedShow Answer

The worldwide, primary viral cause of morbidity and mortality from diarrhea is

Correct AnswerverifiedShow Answer

The MMR vaccination is for immunity to _____, _____, and _____.

Correct Answerverifiedmeasles, m...View AnswerShow Answer

Discuss the various stages of HIV infection and disease with regard to: a) signs and symptoms, b) corresponding virus activities, and c) diagnostic indicators.

Correct AnswerAnswered by ExamLex AIThe various stages of HIV infection and ...View AnswerShow Answer

All of the following pertain to HIV, except

Correct AnswerverifiedShow Answer

Documented transmission of HIV involves

Correct AnswerverifiedShow Answer

Which area has the largest number of people living with HIV/AIDS?

Correct AnswerverifiedShow Answer

The influenza virus uses _____ spikes to bind to host cells.

Correct AnswerverifiedShow Answer

Which is incorrect about measles?

Correct AnswerverifiedShow Answer

A frequent cancer that is seen in AIDS patients is

Correct AnswerverifiedShow Answer

Respiratory syncytial virus (Pneumovirus)

Correct AnswerverifiedShow Answer

Which drug/s interfere with the action of an HIV enzyme needed for final assembly and maturation of the virus?

Correct AnswerverifiedShow Answer

Which of the following diseases is not caused by a paramyxovirus?

Correct AnswerverifiedShow Answer

Retroviruses have the following characteristics, except

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following could block the attachment of HIV to T_H cells?

Correct Answer
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reverse tr...
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The MMR vaccination is for immunity to ___, _, and ___.

Correct Answer
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measles, m...
View Answer

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Answered by ExamLex AI
The various stages of HIV infection and ...
View Answer

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