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Retroviridae MCQ Questions & Answers

Retroviridae MCQs : This section focuses on the "Retroviridae". These Multiple Choice Questions (MCQs) should be practiced to improve the Retroviridae skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.




Question 1

Fungal infection/s frequently observed in HIV disease is /are:

A. candidiasis
B. cryptococcosis
C. aspergillosis
D. All of the above

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Question 2

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

A. ELISA
B. Latex agglutination
C. Dot blot assay
D. all of these

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Question 3

The commonest opportunistic infection in AIDS patient in India is

A. cryptosporidiosis
B. toxoplasmosis
C. tuberculosis
D. cryptococcosis

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Question 4

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

A. gp 120
B. gp 140
C. gp 36
D. gp 41

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Question 5

Fungal infection/s frequently observed in HIV disease is /are:

A. candidiasis
B. cryptococcosis
C. aspergillosis
D. all of these

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Question 6

The cells most oftenly infected by HIV are

A. Null cells
B. CD8 + T lymphocytes
C. CD4 + T lymphocytes
D. None of these

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Question 7

HIV can infect

A. Microglial cells
B. M (membranous) cells
C. CD4 + T lymphocytes
D. All of the above

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Question 8

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

A. cryptosporidiosis
B. toxoplasmosis
C. isosporiasis
D. All of the above

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Question 9

HIV belongs to the family retroviridae and sub-family

A. Oncovirinae
B. Lentivirinae
C. Spumavirinae
D. None of these

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Question 10

HIV can infect

A. Microglial cells
B. M (membranous) cells
C. CD4 + T lymphocytes
D. All of these

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Question 11

What is the average incubation period for development of AIDS?

A. One year
B. Five years
C. Ten years
D. Twenty years

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Question 12

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

A. ELISA
B. Latex agglutination
C. Dot blot assay
D. All of the above

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Question 13

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

A. antibody alone may be insufficient
B. rapid mutation of HIV
C. virus can spread from cell to cell by fusion to produce syncytia
D. All of the above

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Question 14

Viral infections frequently observed in HIV disease is /are

A. herpes simplex
B. varicella- zoster
C. cytomegalo virus
D. all of these

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Question 15

The commonest bacterial infection in HIV disease is/are

A. mycobacterial infection
B. salmonella infection
C. bartonella infection
D. all of these

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Question 16

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

A. more than 100 copies of the viral genome
B. a genome made up of both DNA and RNA components
C. a viral enzyme known as reverse transcriptase
D. sticky proteins that allow it to bind tightly to host cells

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Question 17

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

A. antibody alone may be insufficient
B. rapid mutation of HIV
C. virus can spread from cell to cell by fusion to produce syncytia
D. all of these

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Question 18

Viral infections frequently observed in HIV disease is /are

A. herpes simplex
B. varicella- zoster
C. cytomegalo virus
D. All of the above

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Question 19

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

A. cryptosporidiosis
B. toxoplasmosis
C. isosporiasis
D. all of these

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Question 20

The commonest mode of transmission of HIV is

A. parenteral
B. perintal
C. sexual
D. oral

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Question 21

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

A. gp 41
B. gp 140
C. gp l20
D. gp 36

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Question 22

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

A. virus isolation
B. detection of p24 antigen
C. detection of viral nucleic acid
D. All of the above

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Question 23

The commonest bacterial infection in HIV disease is/are

A. mycobacterial infection
B. salmonella infection
C. bartonella infection
D. All of the above

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Question 24

A viral load test detects the

A. provirus of HIV in infected cells
B. total amount of virus in the infected host
C. number of viruses being released by each infected cell
D. amount of bacteriophage being produced by E. coli cells

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