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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

Submitted By :Ali Uppal

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

Submitted By :Ali Uppal

Enterically transmitted NANB hepatitis B_____________?

(A) Hepatitis C
(B) Hepatitis D
(C) Hepatitis E
(D) Hepatitis F

Submitted By :Ali Uppal

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

Submitted By :Ali Uppal

Australian antigen is_______________?

(A) HB Ag
(B) HBs AG
(C) HBV
(D) None of the above

Submitted By :Ali Uppal

EBV causes all except_________________?

(A) Carcinoma of nasopharynx
(B) Papilloma
(C) Infectious mononucleosis
(D) Burkitt’s lymphoma

Submitted By :Ali Uppal

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

Submitted By :Ali Uppal

The culture media used for cultivation of HSV is_____________?

(A) Chocolate agar
(B) Robertoson’s cooked-meat broth
(C) Chorio allantoic membrane
(D) Sabourad’s agar

Submitted By :Ali Uppal

Half-life of free HIV in plasma is________________?

(A) 24 hours
(B) 6 hours
(C) 12 hours
(D) 3 months

Submitted By :Ali Uppal

Antibody to HSV will begin to appear_____________________?

(A) in a week and reach a peak in 3 weeks
(B) only after one year
(C) no antibodies are present in primary HSV
(D) antibodies are present in recurrent and chronic apthous stomatitis

Submitted By :Ali Uppal

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