Retroviridae problems
- 1. HIV or Human Immunodeficiency Virus is considered unique because each virus contains:
Options- 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 Discuss
Correct Answer: a viral enzyme known as reverse transcriptase
- 2. Which of the following is the spike antigen of HIV-I?
Options- A. gp 120
- B. gp 140
- C. gp 36
- D. gp 41 Discuss
Correct Answer: gp 120
- 3. Which of the following is transmembrane pedicle antigen of HIV-I?
Options- A. gp 41
- B. gp 140
- C. gp l20
- D. gp 36 Discuss
Correct Answer: gp 41
- 4. Viral infections frequently observed in HIV disease is /are
Options- A. herpes simplex
- B. varicella- zoster
- C. cytomegalo virus
- D. all of these Discuss
Correct Answer: all of these
- 5. The screening test/s for diagnosis of HIV infection is/are
Options- A. ELISA
- B. Latex agglutination
- C. Dot blot assay
- D. all of these Discuss
Correct Answer: all of these
- 6. The confirmatory test(s) for HIV infection is/are
Options- A. virus isolation
- B. detection of p24 antigen
- C. detection of viral nucleic acid
- D. all of the above Discuss
Correct Answer: all of the above
- 7. HIV can infect
Options- A. Microglial cells
- B. M (membranous) cells
- C. CD4 + T lymphocytes
- D. All of these Discuss
Correct Answer: All of these
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