RETROVIRIDAE QUIZ

The commonest bacterial infection in HIV disease is/are

bartonella infection

mycobacterial infection

all of these

salmonella infection

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Which of the following is the spike antigen of HIV-I?

gp 36

gp 140

gp 120

gp 41

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What is the average incubation period for development of AIDS?

One year

Ten years

Five years

Twenty years

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The cells most oftenly infected by HIV are

CD8 + T lymphocytes

CD4 + T lymphocytes

None of these

Null cells

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The commonest mode of transmission of HIV is

sexual

perintal

parenteral

oral

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The problem(s) associated with development of a vaccine against HIV is/are

rapid mutation of HIV

antibody alone may be insufficient

all of these

virus can spread from cell to cell by fusion to produce syncytia

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The commonest opportunistic infection in AIDS patient in India is

cryptococcosis

cryptosporidiosis

toxoplasmosis

tuberculosis

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HIV or Human Immunodeficiency Virus is considered unique because each virus contains:

a viral enzyme known as reverse transcriptase

sticky proteins that allow it to bind tightly to host cells

a genome made up of both DNA and RNA components

more than 100 copies of the viral genome

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The screening test/s for diagnosis of HIV infection is/are

ELISA

all of these

Dot blot assay

Latex agglutination

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A viral load test detects the

provirus of HIV in infected cells

amount of bacteriophage being produced by E. coli cells

total amount of virus in the infected host

number of viruses being released by each infected cell

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