1.A rise in the anti-HBc immunoglobulin in a patient
indicates
A. Acute infection ✔
B. Carrier state
C. Prodromal phase
D. Convalescence
2.Cytopathic effect is shown by
A. Virus✔
B. Bacteria
C. Spirochete
D. Anaerobe
3.Which of the following would you consider to be general properties of
viruses
A. New virus particle arises directly (by division) from preexisting
viruses
B. Fall in to the general size range of 200-3000 angstrom unit✔
C. Contain equal proportions of protein, lipo polysaccharide and nucleic acids
D. Contain DNA but no RNA
4.Most common opportunistic infection in AIDS is_
A. Cryptococcosts
B. Tuberculosis
C. Candidiasis✔
D. Aspergilosis
- Viruses can be cultured in all except_
A. Chick embryo
B. Blood agar✔
C. Guinea pigs
D. Cell culture
- Following hepatitis B infection through blood transfusion disease manifests in
A. 1 week ✓
B. 6 week
C. 3 months
D. 6 months
7.The Window period in HIV infection means
A. The time lapse between the infection and detection of viral
antibodies✓
B. The time lapse between the infection and development of AIDS C. The time lapse between obtaining the sample and detection of virus in the lab.
D. None of the above
- Human immunodeficiency virus (HIV) affe
A. Red blood cells
B. Fibroblasts
C. Helper T lymphocytes (CD-
D. Mast cells
9.The classic opportunistic infection in acquired immune deficiency syndrome is
A. Apthous stomatitis
B. Tuberculosis
C. Pneumocystis carinii pneumonia✔
D. Herpetic gingivostomatitis
10.Influenza is caused by
A. Orthomyxo virus, which is a DNA virus
B. Paramyxovirus, which is a RNA virus

