RETROVIRIDAE QUIZ

Parasitic infection/s frequently observed in HIV disease is / are.

isosporiasis

toxoplasmosis

all of these

cryptosporidiosis

TRUE ANSWER : ?
YOUR ANSWER : ?

HIV belongs to the family retroviridae and sub-family

None of these

Lentivirinae

Spumavirinae

Oncovirinae

TRUE ANSWER : ?
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The cells most oftenly infected by HIV are

Null cells

None of these

CD4 + T lymphocytes

CD8 + T lymphocytes

TRUE ANSWER : ?
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Which of the following is the spike antigen of HIV-I?

gp 140

gp 41

gp 120

gp 36

TRUE ANSWER : ?
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The confirmatory test(s) for HIV infection is/are

detection of viral nucleic acid

virus isolation

detection of p24 antigen

All of these

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

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

antibody alone may be insufficient

rapid mutation of HIV

all of these

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YOUR ANSWER : ?

Which of the following is transmembrane pedicle antigen of HIV-I?

gp 41

gp 140

gp 36

gp l20

TRUE ANSWER : ?
YOUR ANSWER : ?

The commonest mode of transmission of HIV is

sexual

perintal

parenteral

oral

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

more than 100 copies of the viral genome

a genome made up of both DNA and RNA components

sticky proteins that allow it to bind tightly to host cells

a viral enzyme known as reverse transcriptase

TRUE ANSWER : ?
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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

TRUE ANSWER : ?
YOUR ANSWER : ?