Plaque test is used routinely in virology lab’s for________________?
(A) Identification of viral disease
(B) To separate specific clone of virus
(C) To maintain certain viral culture
(D) To prepare vaccines
During the Window period of patient with AIDS_______________?
(A) ELISA IS – ve
(B) Western Blot is – ve
(C) Both are – ve
(D) PCR is – ve
Viruses can be isolated from clinical samples by cultivation in the following except_______________?
(A) Tissue culture
(B) Embryonated eggs
(C) Animals
(D) Chemically defined media
Hepatitis B infection spreads through all of the following routes except______________?
(A) Blood transfusion
(B) Sexual contact
(C) Faeco oral route
(D) Perinatal transmission
Hepatitis C virus belongs to which one of the following virus groups ?
(A) Picorna viruses
(B) Herpes viruses
(C) Hepadana viruses
(D) Flavi viruses
The overall effect of HIV is to gradually impair the immune system by interference with______________?
(A) Helper T lymphocytes
(B) Natural killer cells
(C) Plasma cells
(D) Macrophages
Most common tumor associated with AIDS is______________?
(A) Carcinoma
(B) Kaposi’s sarcoma
(C) Melanoma
(D) Ewing’s sarcoma
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