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8120 Microbiology

A 35 year old patient complains of abdominal cramps along with profuse diarrhea. The treating physician wants to process the stool specimen for isolation of Campylobacter jejuni. Which of the following is the method of choice for the culture of stool ?

ACulture on TCBS medium incubated at 37degC under aerobic conditions
BCulture on Skirrow's medium incubated at 42degC under micro-aerophilic conditions.
CCulture on MacConkey's medium incubated at 42degC under anaerobic contions
DCulture on Wilson and Blair's medium incubated at 37deg under microaerophilic conditions
Microbiology
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8125 Microbiology

A 15-year-old male is rushed to the emergency room with a temperature of 103degF, severe headache, and stiff neck. Upon physical examination, a petechial rash is observed all over his body. Suspecting meningitis, the physician orders a lumbar puncture, revealing gram-negative diplococci (Neisseria meningitidis) on Gram stain. The physician wishes to use a more sensitive test to confirm this as the causative agent. Which of the following tests combines features of gel diffusion and immune-electrophoresis and is applicable only to negatively charged antigens?

ACoagglutination (COA)
BCounter immuno-electrophoresis (CIE)
CEnzyme-linked immunosorbent assay (ELISA)
DLatex agglutination (LA)
Microbiology
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8127 Microbiology

A 26 year old male presents to OPD with a circular, itchy, inflamed, slightly raised skin lesion He gives a history of his pet dog sleeps next to him. His dog has had some localized areas of hair loss. The patient has no other symptom. What would be expected on a KOH of skin scrapings?

AClusters of yeastlike cells and sho curved septate hyphae
BHyphae with little branching but possibly with some hyphae breaking up into ahroconidia
CFilariform larvae
DBudding yeasts with some pseudohyphae and true hyphae
Microbiology
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