Test
HIV and the immune system
Preguntas del test (14)
1Which of the following does the HIV virus contain?
- AdsDNA
- BssDNA
- Creverse transcriptase
- DssRNA
2What is the name of the viral receptor on the HIV virus envelope?
- Agp10
- Bgp120
- CCD4
- Dgp60
3During which phase are a large number of virus particles produced?
- APermissive
- BLytic
- CLatent
4Which of the following are thought to explain the CNS involvement with HIV?
- AMonocytes
- BDentritic cells
- CNeutrophils
- DT-Helper cells
5CD4 expression not sufficient for HIV infection
- AVerdadero
- BFalso
6Approximately how long may it take for antibodies to the HIV virus to be produced?
- A3-6 days
- B3-6 months
- C3-6 years
7By which cells are the intially high levels of HIV virus cleared?
- AT-helper
- BT-cytotoxic
- CNeutrophils
- DNK cells
8Approximately how long is the asymptomatic stage of the HIV infection?
- A1-2 years
- B5-8 years
- C10-12 years
- D15-20 years
9At which point is the HIV infection officially called AIDS?
- AWhen T-helper levels are below 200 per mm^3
- BWhen T-helper levels are below 2000 per mm^3
- CWhen T-helper levels are below 1000 per mm^3
- DWhen T-helper levels are below 20 per mm^3
10Which of the following is true of the HIV-1 virus?
- AIts origin is in west africa
- BIts origin is in central africa
- CThe likely source is sooty mangabees
- DThe likely source is chimpanzees
- EIt is between 50-100 years old
- FIt is the least viralent of the two strains
11In which way is HIV most commonly transmitted?
- AUnprotected sex
- BIV drug use
- CBreast feeding
- DMother-foetus
12How high is the mutation rate of HIV compared to the flu?
- A100x more
- B10x more
- C60x more
- D20x more
13How does Azidothymidine help protect against HIV?
- AIt inhibits reverse transcriptase
- BIt binds to gp120
- CBinds to provirus
14Which of the following therapies is the current most effective against HIV?
- APassive immunisation using monoclonal antibodies
- BAzidothymidine
- CCombination therapy
- DGene editing
Información
- Descripción
- undergraduate Microbiology Test sobre HIV and the immune system, creado por Beth Moore el 29/05/2015.
- Autor
- Beth Moore
- Idioma
- English
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- 288
- Etiquetas
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