HIV and the immune system

Descrição

undergraduate Microbiology Quiz sobre HIV and the immune system, criado por Beth Moore em 29-05-2015.
Beth Moore
Quiz por Beth Moore, atualizado more than 1 year ago
Beth Moore
Criado por Beth Moore mais de 9 anos atrás
207
2

Resumo de Recurso

Questão 1

Questão
Which of the following does the HIV virus contain?
Responda
  • dsDNA
  • ssDNA
  • reverse transcriptase
  • ssRNA

Questão 2

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

Questão 3

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

Questão 4

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

Questão 5

Questão
CD4 expression not sufficient for HIV infection
Responda
  • True
  • False

Questão 6

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

Questão 7

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

Questão 8

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

Questão 9

Questão
At which point is the HIV infection officially called AIDS?
Responda
  • 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

Questão 10

Questão
Which of the following is true of the HIV-1 virus?
Responda
  • 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

Questão 11

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

Questão 12

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

Questão 13

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

Questão 14

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

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