Question: Which of the following is not a pox virus ?

• 1. Cowpox
• 2. Molluscum contagiosum
• 3. Small pox
• 4. chicken pox

Question: Serological study for prevalence of Hepatitis B is best done by______________?

• 1. Surface antigen
• 2. Surface antibody
• 3. Core antigen
• 4. Core antibody

Question: ELISA test when compared to western blot technique is______________?

• 1. Less sensitive less specific
• 2. More sensitive, more specific
• 3. Less sensitive, more specific
• 4. More sensitive, less specific

Question: The virus which causes Aplastic anemia in chronic hemolytic disease is_______________?

• 1. Adeno
• 2. Hepatitis
• 3. EB virus
• 4. Parvo virus

Question: In HIV, gp 120, envelope glycoproteins bind specifically to______________?

• 1. CD8 T-cells
• 2. CD4 T-cells
• 3. B – cells
• 4. NK – cells

Question: The small nonparticulate protein leading to enhanced replication of HBV as well as HIV is______________?

• 1. HBc Ag
• 2. HBs Ag
• 3. Hbe Ag
• 4. HBx Ag

Question: patients with organ transplants are most frequently infected with______________?

• 1. Hepatitis A
• 2. Hepatitis B
• 3. CMV
• 4. EBV

Question: EBV is responsible for all except______________?

• 1. Nasopharyngeal carcinoma
• 2. Burkitt’s lymphoma
• 3. Hepatoma
• 4. Infectious mononucleosis

Question: Most common tumor associated with AIDS is______________?

• 1. Carcinoma
• 2. Kaposi’s sarcoma
• 3. Melanoma
• 4. Ewing’s sarcoma

Question: The overall effect of HIV is to gradually impair the immune system by interference with______________?

• 1. Helper T lymphocytes
• 2. Natural killer cells
• 3. Plasma cells
• 4. Macrophages