Mcq Subject: Microbiology

The Halophilic Vibrio that is implicated in gastroenteritis is which of the following?

A. Vibrio Mimicus

B. Vibrio Vulnificus

C. Vibrio Alginolyticus

D. Vibrio Parahaemolyticus

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At 29 weeks gestational age, it becomes apparent that the fetus has developed hydrops. All of the following are characteristics of fetal hydrops Except

A. Polyhydramnios

B. Small placenta

C. Pericardial effusion

D. Subcutaneous edema

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Streptococcus causing rheumatic hea disease is

A. Streptococcus milleri

B. Streptococcus mutans

C. Streptococcus pyogenes

D. Streptococcus equisimilis

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Not true regarding NK cells –

A. Active against malignant cells

B. Inactive MHC antigen for killing microorganisms

C. First line defense against viral infections

D. No prior sensitization required

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A patient with conjunctival infection, which lead to corneal perforation, was positive for Gram-negative coccoid appearance on Gram stain. Fuher investigation showed small translucent colourless organism which is oxidase positive. What could be the most probable causative organism-

A. Moraxella catarrhalis

B. Neisseria gonorrhea

C. Psedomonas aeruginosa

D. Acinetobacter actinatus

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All of the following are true about cold sterilization except

A. It causes breakage of DNA without temperature rise

B. It includes x-rays,gamma rays and cosmic rays

C. It destroys spores,Vegetative cells and viruses

D. It is used for sterilization of catgut sutures, bone and tissue grafts

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An African presented with itching with rashes and inguinal lymph nodes. Skin snips shows microfilariae which are non-sheathed. The most probable organism will be:

A. Wuchereria bancrofti

B. Brugia malayi

C. Brugia timori

D. Mansonella streptocerca

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The efficacy of the moist heat sterilization technique commonly used to sterilize laboratory ware and culture media is tested by using (OR) Sterilisation control for moist heat is

A. using Bacillus stearothermophilus

B. using non-pathogenic strain of clostridium tetani

C. using chemical indicator

D. using methylene blue

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Human papillomatosis is caused by?

A. INV

B. HPV

C. HIV

D. HBV

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A 30-year-old patient presented with features of acute meningoencephalitis in the casualty. His CSF on wet mount microscopy revealed motile unicellular microorganisms. The most likely organism is

A. Naegleria fowleri

B. Acanthamoeba castellan

C. Entamoeba histolytica

D. Trypanosoma cruzi

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