The time gap between appearance of Koplik’s spot and cutaneous rash in measles is________________?
(A) 24 Hrs
(B) 3-4 days
(C) 2 weeks
(D) 10 days
Baby born to mother suffering from AIDS, all are true except________________?
(A) Failure to thrive
(B) Have infections
(C) 50% chances to have AIDS
(D) All are true
The best way of detecting the presence of viruses in the infected cell – culture is____________?
(A) Cytopathic changes in culture cells
(B) Presence of viral protein in the infected monolayer
(C) Haemagglutination test
(D) Haemagglutination inhibition test
True about immune response of hepatitis B is__________________?
(A) Antibody of HBs Ag is associated with resistance to infection
(B) Antibody to HBC is not protective
(C) Highest titres of anti HBC are found in persistent carriers of HBs Ag
(D) CMI disappears soon after recover
Enterically transmitted NANB hepatitis B_____________?
(A) Hepatitis C
(B) Hepatitis D
(C) Hepatitis E
(D) Hepatitis F
Which of the following methods is adopted for screening HIV infection ?
(A) Virus isolation
(B) Western blot followed by ELISA
(C) ELISA followed by western blot technique
(D) Polymers chain reaction
EBV causes all except_________________?
(A) Carcinoma of nasopharynx
(B) Papilloma
(C) Infectious mononucleosis
(D) Burkitt’s lymphoma
True about HIV are all except______________?
(A) DNA virus
(B) Attacks CD4 cells
(C) Macrophages are the reservoir
(D) Decrease CD4 count in late stages