RETROVIRIDAE QUIZ

HIV can infect

All of these

M (membranous) cells

Microglial cells

CD4 + T lymphocytes

TRUE ANSWER : ?
YOUR ANSWER : ?

The commonest mode of transmission of HIV is

sexual

perintal

oral

parenteral

TRUE ANSWER : ?
YOUR ANSWER : ?

HIV belongs to the family retroviridae and sub-family

Spumavirinae

None of these

Oncovirinae

Lentivirinae

TRUE ANSWER : ?
YOUR ANSWER : ?

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

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

more than 100 copies of the viral genome

TRUE ANSWER : ?
YOUR ANSWER : ?

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

gp 140

gp 120

gp 41

gp 36

TRUE ANSWER : ?
YOUR ANSWER : ?

A viral load test detects the

total amount of virus in the infected host

amount of bacteriophage being produced by E. coli cells

provirus of HIV in infected cells

number of viruses being released by each infected cell

TRUE ANSWER : ?
YOUR ANSWER : ?

Viral infections frequently observed in HIV disease is /are

varicella- zoster

herpes simplex

cytomegalo virus

all of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The confirmatory test(s) for HIV infection is/are

All of these

detection of p24 antigen

detection of viral nucleic acid

virus isolation

TRUE ANSWER : ?
YOUR ANSWER : ?

The cells most oftenly infected by HIV are

CD8 + T lymphocytes

CD4 + T lymphocytes

Null cells

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

gp 36

gp l20

gp 140

gp 41

TRUE ANSWER : ?
YOUR ANSWER : ?