Mcq Subject: Microbiology

Young female with 3 day fever presents with headache, BP 90/60 mmHg, Hea rate of 114/min, and pin point spots developed distal to BP cuff. Most likely organism is:

A. Brucella abous

B. Brucella suis

C. N. meningitidis

D. Staphylococcus aureus

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Which strain of streptococci is implicated in neonatal meningitis is:

A. Group-A

B. Group-B

C. Group-C

D. Group-D

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A patient was hospitalized after an automobile accident. The wounds became infected and the patient was treated with tobramycin, carbenicillin, and clindamycin. Five days after antibiotic therapy was initiated, the patient developed severe diarrhea and pseudomembranous enterocolitis. Antibioticassociated diarrhea and the more serious pseudomembranous enterocolitis can be caused by

A. Clostridium sordellii

B. Clostridium perfringens

C. Clostridium difficile

D. S. aureus

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The causative agent of Primary Amoebic Meningoencephalitis is:

A. Endolimax nana

B. Dientamoeba fragilis

C. Naegleria fowleri

D. Entamoeba histolytica

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A 33-year-old man presents at OPD complaining of fever and headache. On examination, he had leukopenia and increased liver enzymes, and inclusion bodies were seen in his monocytes. History revealed that he went on camping and remembered removing a tick from his leg. Which of the following diseases is most likely causing the symptoms described?

A. Lyme disease

B. Ehrlichiosis

C. Rocky Mountain spotted fever

D. Q fever

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Bence Jones proteins are best described as:

A. u chains

B. g chains

C. Kappa and Lambda chains

D. Fibrin split products

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T helper cells recognizes –

A. MHC class I

B. MHC class II

C. Processed peptides

D. Surface Ig

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Pentavalent immunoglobin is –

A. IgA

B. IgG

C. IgM

D. IgE

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Giardiasis is best diagnosed by:

A. CFT

B. Presence of both cysts and trophozoites in stools

C. Presence of cysts only

D. Haemaglutination

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Loeffler’s syndrome is seen with all except :

A. >Toxocara

B. >Strongyloides stercoralisL. tryptophan

C. >Giardiasis

D. Giardiasis

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