HIV and the immune system

Beth Moore
Quiz by Beth Moore, updated more than 1 year ago
Beth Moore
Created by Beth Moore over 4 years ago
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undergraduate Microbiology Quiz on HIV and the immune system, created by Beth Moore on 05/29/2015.
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Resource summary

Question 1

Question
Which of the following does the HIV virus contain?
Answer
  • dsDNA
  • ssDNA
  • reverse transcriptase
  • ssRNA

Question 2

Question
What is the name of the viral receptor on the HIV virus envelope?
Answer
  • gp10
  • gp120
  • CD4
  • gp60

Question 3

Question
During which phase are a large number of virus particles produced?
Answer
  • Permissive
  • Lytic
  • Latent

Question 4

Question
Which of the following are thought to explain the CNS involvement with HIV?
Answer
  • Monocytes
  • Dentritic cells
  • Neutrophils
  • T-Helper cells

Question 5

Question
CD4 expression not sufficient for HIV infection
Answer
  • True
  • False

Question 6

Question
Approximately how long may it take for antibodies to the HIV virus to be produced?
Answer
  • 3-6 days
  • 3-6 months
  • 3-6 years

Question 7

Question
By which cells are the intially high levels of HIV virus cleared?
Answer
  • T-helper
  • T-cytotoxic
  • Neutrophils
  • NK cells

Question 8

Question
Approximately how long is the asymptomatic stage of the HIV infection?
Answer
  • 1-2 years
  • 5-8 years
  • 10-12 years
  • 15-20 years

Question 9

Question
At which point is the HIV infection officially called AIDS?
Answer
  • When T-helper levels are below 200 per mm^3
  • When T-helper levels are below 2000 per mm^3
  • When T-helper levels are below 1000 per mm^3
  • When T-helper levels are below 20 per mm^3

Question 10

Question
Which of the following is true of the HIV-1 virus?
Answer
  • Its origin is in west africa
  • Its origin is in central africa
  • The likely source is sooty mangabees
  • The likely source is chimpanzees
  • It is between 50-100 years old
  • It is the least viralent of the two strains

Question 11

Question
In which way is HIV most commonly transmitted?
Answer
  • Unprotected sex
  • IV drug use
  • Breast feeding
  • Mother-foetus

Question 12

Question
How high is the mutation rate of HIV compared to the flu?
Answer
  • 100x more
  • 10x more
  • 60x more
  • 20x more

Question 13

Question
How does Azidothymidine help protect against HIV?
Answer
  • It inhibits reverse transcriptase
  • It binds to gp120
  • Binds to provirus

Question 14

Question
Which of the following therapies is the current most effective against HIV?
Answer
  • Passive immunisation using monoclonal antibodies
  • Azidothymidine
  • Combination therapy
  • Gene editing
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