NTRUHS MBBS Microbiology February 2022 (15A03101 SET-A CBME)

15A03101Dr. NTR University of Health Sciences · Microbiology · 2022 · February · CBME

Questions (20)

1.Example of Gram positive bacilli arranged in chains with a bamboo stick appearance a. Actinomyces israelii b. Bacillus anthracis c. Nocardia asteroids d. Corynebacterium diphtheria
1 Mark
2.One of the following is a transport medium a. Lowenstein Jensen medium b. Thiosulfate citrate bile salt sucrose agar medium c. Cary Blair medium d. Potassium tellurite agar medium
1 Mark
3.Indole negative is a. Escherichia coli b. Klebsiella pneumoniae c. Proteus vulgaris d. Vibrio cholerae
1 Mark
4.Toxigenicity to Corynebacterium diphtheria is imparted by a. Transformation b. Conjugation c. Transduction d. Transposition
1 Mark
5.Antibody that crosses placenta is a. IgG b. IgA c. IgM d. IgD
1 Mark
6.Example of Precipitation reaction is a. Widal test b. VDRL test c. Weil Felix reaction d. Paul Bunnel test
1 Mark
7.Asthma is a manifestation of a. Type I hypersensitivity reaction b. Type II hypersensitivity reaction c. Type III hypersensitivity reaction d. Type IV hypersensitivity reaction
1 Mark
8.Alpha fetoprotein levels are elevated in a. Hepatoma b. Colon cancer c. Prostate cancer d. Tongue cancer
1 Mark
9.Cold sterilization is done by a. Gamma rays b. Infrared rays c. Steam sterilization d. Ultraviolet rays
1 Mark
10.Drug of choice for enteric fever is a. Ceftriaxone b. Ciprofloxacin c. Amoxicillin d. Cotrimoxazole
1 Mark
11.A young rice field farmer develops high grade fever, jaundice and oliguria. Physical examination reveals conjunctival haemorrhage, petechiae and purpura. Reneal and liver function tests were found to be abnormal. The presentation is most likely caused by a. Treponema pallidum b. Leptospira interrogans c. Borrelia recurrentis d. Brucella melitensis
1 Mark
12.Best prognostic indicator in HIV infection is a. HIV RNA load b. CD4 T cell count c. CD8 T cell count d. p24 antigen
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13.A 25 year old male presents with fever, splenomegaly, hepatomegaly, weight loss, Blood test reveals pancytopenia and examination of bone marrow aspirate by Giemsa stain reveals amastigote forms inside macrophages. The most likely diagnosis is a. Visceral leishmaniasis b. African sleeping sickness c. Chaga's disease d. Babesiosis
1 Mark
14.Contaminated fried rice is associated with food poisoning with onset within 1-6 hours is caused by a. Staphylococcus aureus b. Bacillus cereus c. Clostridium perfringens d. Campylobacter jejuni
1 Mark
15.Bacillary dysentery in India is commonly caused by a. Shigella flexneri b. Shigella boydii c. Shigella sonnei d. Shigella dysenteriae
1 Mark
16.Highest mortality in pregnancy is associated with a. Hepatitis A b. Hepatitis B c. Hepatitis E d. Hepatitis C
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17.Scalded skin syndrom is mediated by a. Epidermolytic toxin b. Hemolysin c. Enterotoxin d. Deoxyribonuclease
1 Mark
18.A 10 year old boy presents with a tender, bright red, subcutaneous swelling on right cheek. The lesion is indurated with peau d'orange texture of the involved skin and is associated with fever and chills.The most likely clinical diagnosis is a. Erysipelas b. Impetigo c. Carbuncle d. Furuncle
1 Mark
19.A HIV positive patient develops persistent, profuse diarrhea. Stool examination by acid fast stain by kinyoun's method reveals round, uniformly stained oocyst which is 4-6 microns size. The most likely etiological agent is a. Cyclospora b. Cryptosporidium c. Cystoisospora d. Giardia
1 Mark
20.A 30 year old male presents with acute pain in the right hypochondrium associated with high grade fever. Ultrasound guided liver aspiration revealed thick chocolate brown colored pus. Last portion of the aspirated pus demonstrated actively motile trophozoites with pseudopodia. The most likely etiological agent is a. Entamoeba histolytica b. Echinococcus granulosus c. Fasciola hepatica d. Clonorchis sinensis
1 Mark

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