A 35-year-old woman who has been hospitalized for the past 6 days following a cholecystectomy has a 2-day history of cramping lower-left quadrant pain and bloody stools. She has been on broad-spectrum antibiotic therapy throughout her hospitalization. This patient’s pathology is best reflected via which of the following combinations of diagnostic modality and organism characteristics?
Stool culture; gram (+); coccus; non-spore-forming
Stool culture; gram (+); coccus; spore-forming
Stool culture; gram (+); rod; non-spore-forming
Stool culture; gram (+); rod; spore-forming
Stool culture; gram (-); coccus; non-spore-forming
Stool culture; gram (-); coccus; spore-forming
Stool culture; gram (-); rod; non-spore-forming
Stool culture; gram (-); rod; spore-forming
Stool toxin test; gram (+); coccus; non-spore-forming
Stool toxin test; gram (+); coccus; spore-forming
Stool toxin test; gram (+); rod; non-spore-forming
Stool toxin test; gram (+); rod; spore-forming
Stool toxin test; gram (-); coccus; non-spore-forming
Stool toxin test; gram (-); coccus; spore-forming
Stool toxin test; gram (-); rod; non-spore-forming
Stool toxin test; gram (-); rod; spore-forming
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Cut-to-the-chase Answer (0:44):
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HY USMLE Answer (6:38):
