Question: Which of the following methods is adopted for screening HIV infection ?

• 1. Virus isolation
• 2. Western blot followed by ELISA
• 3. ELISA followed by western blot technique
• 4. Polymers chain reaction

Question: Enterically transmitted NANB hepatitis B_____________?

• 1. Hepatitis C
• 2. Hepatitis D
• 3. Hepatitis E
• 4. Hepatitis F

Question: True about immune response of hepatitis B is__________________?

• 1. Antibody of HBs Ag is associated with resistance to infection
• 2. Antibody to HBC is not protective
• 3. Highest titres of anti HBC are found in persistent carriers of HBs Ag
• 4. CMI disappears soon after recover

Question: The best way of detecting the presence of viruses in the infected cell – culture is____________?

• 1. Cytopathic changes in culture cells
• 2. Presence of viral protein in the infected monolayer
• 3. Haemagglutination test
• 4. Haemagglutination inhibition test

Question: The Dane particle is the______________?

• 1. HBV
• 2. IgG anti HAV
• 3. Delta Virus
• 4. HBC Ag

Question: Baby born to mother suffering from AIDS, all are true except________________?

• 1. Failure to thrive
• 2. Have infections
• 3. 50% chances to have AIDS
• 4. All are true

Question: The time gap between appearance of Koplik’s spot and cutaneous rash in measles is________________?

• 1. 24 Hrs
• 2. 3-4 days
• 3. 2 weeks
• 4. 10 days

Question: Rabies virus________________?

• 1. Cytotropic
• 2. Dermatotropic
• 3. Chromophilic
• 4. Neurotropic

Question: Virus are sharply differentiated from bacteria by_______________?

• 1. Presence of either DNA or RNA
• 2. Simple structure
• 3. Complex multiplication
• 4. All of the above

Question: The following hepatitis virus is transmitted by faeco-oral route________________?

• 1. Hepatitis B virus
• 2. Hepatitis C virus
• 3. Hepatitis D virus
• 4. Hepatitis E virus