Mcq Subject: Microbiology
The influenza virus has –
A. 5 segments of SS RNA
B. 8 Segments of ds DNA
C. 8 segments of ssDNA
D. 8 segments of ssRNA
View DescriptionHIV infects which of the following cells?
A. NK cells
B. T-helper cells
C. T suppressor cells
D. Plasma cells
View DescriptionStaph aureus causes –
A. Erythrasma
B. Chancroid
C. Acne vulgaris
D. Bullous impetigo
View DescriptionThe most common organism causing food poisoning in canned food is
A. S typhi
B. V cholarae
C. H pylori
D. C botulinum
View DescriptionThe 23 valent pneumococci vaccine is recommended in all except –
A. CSF leak
B. Chronic cardiac disease
C. Chidren less than 2 years
D. Nephrotic syndrome
View DescriptionA 28 years old male presented with diarrhea for 6 months. On examination the causative agent was found to be acid fast with 12 micrometer diameter. What is the MOST likely causative agent?
A. Cryptosporidium
B. Isospora
C. Cyclospora
D. Giardia
View DescriptionA 21-year-old medical student suffered a needle stick injury. The patient has a history of illicit intravenous drugs abuse. One month later, the medical student develops jaundice. Which of the following findings would implicate hepatitis B as the etiology?
A. Positive hepatitis B surface antigen
B. Positive antihepatitis B surface antibody
C. Positive antihepatitis A antibody
D. Positive antihepatitis B-core antibody
View DescriptionBacterial species seen in skin ?
A. Lactobacillus
B. Streptococcus pneumonia
C. Bacterioides fragilis
D. Propionobacterium
View DescriptionA 35 year old sailor from a merchant ship that has been cruising the Caribbean presents to a clinician because of painful, flocculent masses in his groin. Physical examination demonstrates multiple enlarged, abscessed lymph nodes draining through the skin indolent sinuses. The sailor describes previously having a small papular lesion on his penis that spontaneously resolved. Which of the following is the most likely diagnosis?
A. Condyloma acuminatum
B. Granuloma inguinale
C. Herpes virus infection
D. Lymphogranuloma venereum
View DescriptionBanana shaped gametocytes in peripheral smear are seen in infection with:
A. Plasmodium vivax
B. Plasmodium malaria
C. Plasmodium falciparum
D. Plasmodium ovale
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