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.Management Sciences
Category: Virology
Most common tumor associated with AIDS is______________?
A. Carcinoma
B. Kaposi’s sarcoma
C. Melanoma
D. Ewing’s sarcoma
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
For the treatment of case of class III dog bite, all of the following are correct except_____________?
A. Give inmunoglobulins for passive immunity
B. Give ARV
C. Immediately stitch wound under antibiotic coverage
D. Immediately wash wound with soap and water
Interferon interferes with replication of virus at the time of_____________?
A. Protein synthesis
B. DNA/RNA replication
C. When virus enters the cell
D. Uncoating of the virus proteins capsule
Virus are sharply differentiated from bacteria by_______________?
A. Presence of either DNA or RNA
B. Simple structure
C. Complex multiplication
D. All of the above
Human immunodeficiency virus (HIV) affets_______________?
A. Red blood cells
B. Fibroblasts
C. Helper T lymphocytes (CD4)
D. Mast cells
Kaposi’s sarcoma (KS) usually occurs when CD4 Lymphocyte counts are_____________?
A. Above 600
B. Between 1000-2000
C. Below 200
D. Above 2000
Hepatitis A virus is best diagnosed by______________?
A. IgM antibodies in serum
B. Isolation form stool
C. Culture from blood
D. Isolation from bile
The small nonparticulate protein leading to enhanced replication of HBV as well as HIV is______________?
A. HBc Ag
B. HBs Ag
C. Hbe Ag
D. HBx Ag
Prions true is____________?
A. Readily inactivated by autoclave at 121 C
B. Evokes strong immunogenic reaction
C. Sensitive to most chemical sterilization
D. Contains DNA/ RNA
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