Mcq Subject: Microbiology

an anxiuous mother brought her 4yr old daughter to the pediatrician .the girl was passing loose stools past 20days .this was often associated with pain abdomen .stool examination showed the following organism :

A. entamoeba hystolytica

B. giardia lambia

C. cryptosporidium parvum

D. e.coli

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Skirrow’s medium is used for?

A. Clostridium tetani

B. Corynebacterium diphtheria

C. Campylobacter jejuni

D. Helicobactor pylori

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“Citron bodies” and boat or leaf-shaped pleomorphic organism in an exudate is

A. Clostridium welchii

B. Clostridium edematiens

C. Clostridium septicum

D. Clostridium tetani

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The most common mechanism of drug resistance in staphylococci is

A. Conjugation

B. Plasmids

C. Transduction

D. Translation

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A common source of Staphylococcus in the hospital is

A. IV fluids

B. Infected wounds

C. Hands of hospital personnel

D. Bed linen

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Trench fever is caused by –

A. Bartonella Quintana

B. Coxiella burnetii

C. Rickettsia akari

D. Rickettsia conori

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Not an enrichment medium –

A. Selenite F broth

B. Tetrathionate broth

C. Alkaline peptone water

D. Loeffler's serum

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All the following are the examples of enveloped viruses except:

A. Adenovirus

B. Coronavirus

C. Molluscum contagiosum virus

D. Herpes virus

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Two girls in the same class are diagnosed with meningococcal meningitis Their 12 yr old close friend is in fear of contracting dis what advice should be given to her

A. Two doses of polysaccharide vaccine

B. Two doses of conjugate vaccine

C. Single dose of meningococcal vaccine

D. No vaccine needed as exposure has already occurred

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Most common cardiac defect seen in Rubella syndrome

A. Pulmonary stenosis

B. VSD

C. ASD

D. Mitral regurgitation

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