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10837 Microbiology

A 3-year-old male child is brought by his father with complaint of recurrent infections despite proper treatment and hygiene. While reviewing his history, pediatrician notices that the child has been infected multiple times with S. aureus, Pseudomonas & E. coli. Which of the following test will be useful to diagnose condition of the child?

ANegative nitroblue-tetrazolium test
BPositive nitroblue-tetrazolium test
CIncreased IgM, Decreased IgG, IgA, and IgE
DIncreased IgE and IgA, Decreased IgM
Microbiology
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10843 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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