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A Wright’s stain on a conjunctival smear from a neonate shows granular cytoplasmic perinuclear inclusions.  This is most indicative of _____.

A dimorphic fungus isolated from a sternal bone marrow specimen demonstrated large, thick-walled, tuberculate macroconidia on Sabouraud’s agar. The organism most probably is _____. Candida albicans    Blastomyces dermatitidis Coccidioides immitis    Histoplasma capsulatum

Which of the following would be considered appropriate to culture anaerobically?

A specimen for viral culture is collected on a Friday and must be held for processing until the next day.  In general, the optimal temperature for holding this specimen is _____.   A.35°C   B. -20°C C.4°C   D. -70°C

The gram-positive non-spore-forming anaerobic rods most frequently recovered from blood cultures as a contaminant are _____.  

Mycoplasma spp. Are characterized by:  

The Weil-Felix test which serologically is helpful for many Rickettsiae infections uses ____

Which of the following organisms have a gram stain appearance showing curved gram-negative rods that are S-shaped or look like seagull wings.

The most common cause of bacterial gastroenteritis in the world is

MacConkey agar is used for the isolation of members of the family Enterobacteriaceae because the medium is