MCQOPTIONS
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MCQOPTIONS
This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
HIV can infect |
| A. | Microglial cells |
| B. | M (membranous) cells |
| C. | CD4 + T lymphocytes |
| D. | All of these |
| Answer» E. | |
| 2. |
Parasitic infection/s frequently observed in HIV disease is / are. |
| A. | cryptosporidiosis |
| B. | toxoplasmosis |
| C. | isosporiasis |
| D. | all of these |
| Answer» E. | |
| 3. |
What is the average incubation period for development of AIDS? |
| A. | One year |
| B. | Five years |
| C. | Ten years |
| D. | Twenty years |
| Answer» D. Twenty years | |
| 4. |
The cells most oftenly infected by HIV are |
| A. | Null cells |
| B. | CD8 + T lymphocytes |
| C. | CD4 + T lymphocytes |
| D. | None of these |
| Answer» D. None of these | |
| 5. |
Which of the following is the spike antigen of HIV-I? |
| A. | gp 120 |
| B. | gp 140 |
| C. | gp 36 |
| D. | gp 41 |
| Answer» B. gp 140 | |
| 6. |
Fungal infection/s frequently observed in HIV disease is /are: |
| A. | candidiasis |
| B. | cryptococcosis |
| C. | aspergillosis |
| D. | all of these |
| Answer» E. | |
| 7. |
The screening test/s for diagnosis of HIV infection is/are |
| A. | ELISA |
| B. | Latex agglutination |
| C. | Dot blot assay |
| D. | all of these |
| Answer» E. | |
| 8. |
The commonest opportunistic infection in AIDS patient in India is |
| A. | cryptosporidiosis |
| B. | toxoplasmosis |
| C. | tuberculosis |
| D. | cryptococcosis |
| Answer» D. cryptococcosis | |
| 9. |
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 |
| Answer» E. | |
| 10. |
The commonest mode of transmission of HIV is |
| A. | parenteral |
| B. | perintal |
| C. | sexual |
| D. | oral |
| Answer» D. oral | |
| 11. |
HIV belongs to the family retroviridae and sub-family |
| A. | Oncovirinae |
| B. | Lentivirinae |
| C. | Spumavirinae |
| D. | None of these |
| Answer» C. Spumavirinae | |
| 12. |
Which of the following is transmembrane pedicle antigen of HIV-I? |
| A. | gp 41 |
| B. | gp 140 |
| C. | gp l20 |
| D. | gp 36 |
| Answer» B. gp 140 | |
| 13. |
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 |
| Answer» D. sticky proteins that allow it to bind tightly to host cells | |
| 14. |
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 |
| Answer» E. | |
| 15. |
The commonest bacterial infection in HIV disease is/are |
| A. | mycobacterial infection |
| B. | salmonella infection |
| C. | bartonella infection |
| D. | all of these |
| Answer» B. salmonella infection | |
| 16. |
Viral infections frequently observed in HIV disease is /are |
| A. | herpes simplex |
| B. | varicella- zoster |
| C. | cytomegalo virus |
| D. | all of these |
| Answer» E. | |