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29797 Microbiology

A patient with a peptic ulcer was admitted to the hospital and a gastric biopsy was performed. The tissue was cultured on chocolate agar incubated in a microaerophilic environment at 37degC for 5 to 7 days. At 5 days of incubation, colonies appeared on the plate and were curved, Gram-negative rods, oxidase-positive. The most likely identity of this organism is

ACampylobacter jejuni
BVibrio parahaemolyticus
CHaemophilus influenzae
DHelicobacter pylori
Microbiology
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