Virus is cultured in_______________?
(A) Saubourd’s agar
(B) Rogosa medium
(C) Nonembryonated egg
(D) Embryonated egg
A dentist suffred from Hepatitis B infection 3 months back. His laboratory tests are normal but he is not allowed by the medical board to do surgical practice. He is_____________?
(A) Inactive carrier
(B) Healthy carrier
(C) Convalscent carrier
(D) Paradoxical carrier
Salivary protein, which prevents transmission of human immunodeficiency virus via saliva, is____________?
(A) Sialoperoxidase
(B) Secretory IgA
(C) Salivary leukocyte proteinase inhibitor
(D) Histidine rich proteins
A young pregnant woman presents with fulminant hepatic failure. The most likely aetiological agent is_____________?
(A) Hepatitis B virus
(B) Hepatitis C virus
(C) Hepatitis E virus
(D) Hepatitis A virus
Prions true is____________?
(A) Readily inactivated by autoclave at 121 C
(B) Evokes strong immunogenic reaction
(C) Sensitive to most chemical sterilization
(D) Contains DNA/ RNA
Which of the following lesions is NOT an infection from human papilloma virus ?
(A) Verruca vulgaris
(B) Focal epithelial hyperplasia
(C) Condyloma acuminatum
(D) Keratoacanthoma
Which of the following viruses does not infect salivary glands ?
(A) Echo virus
(B) Hepatitis C
(C) HIV
(D) Orthomyxovirus
Which of the following microbial cell is most resistant to antiseptics & disinfectants ?
(A) Mycobacteria
(B) Spore
(C) Prions
(D) Coccidia
EBV is responsible for all except______________?
(A) Nasopharyngeal carcinoma
(B) Burkitt’s lymphoma
(C) Hepatoma
(D) Infectious mononucleosis
patients with organ transplants are most frequently infected with______________?
(A) Hepatitis A
(B) Hepatitis B
(C) CMV
(D) EBV