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.Management Sciences
Category: Virology
Hepatitis B infection spreads through all of the following routes except______________?
A. Blood transfusion
B. Sexual contact
C. Faeco oral route
D. Perinatal transmission
Rabies virus________________?
A. Cytotropic
B. Dermatotropic
C. Chromophilic
D. Neurotropic
A rise in the anti-HBc immunoglobulin in a patient indicates________________?
A. Acute infection
B. Carrier state
C. Prodromal phase
D. Convalescence
In HIV, gp 120, envelope glycoproteins bind specifically to______________?
A. CD8 T-cells
B. CD4 T-cells
C. B – cells
D. NK – cells
Anti HBsAB indicates______________?
A. Resistance to hepatitis B
B. Acute infection
C. Good prognosis
D. Hepatocellular carcinoma
Dengue Hemorrhagic fever is caused by_____________?
A. Virus
B. Bacteria
C. Parasite
D. Bacteria superadded on virus
Presence of HBe Ag in patients with hepatitis indicates_____________?
A. Simple carriers
B. Late convalescence
C. High infectivity
D. Carrier status
Serological study for prevalence of Hepatitis B is best done by______________?
A. Surface antigen
B. Surface antibody
C. Core antigen
D. Core antibody
The viral action is differentiated from bacterial action by_________________?
A. Interferon production
B. Toxin production
C. Lymphocytes production
D. Neutrophils production
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
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