8 A 7-year-old boy presents to the emergency depart- ment with fever, abdominal pain, and tenderness in the right lower quadrant. A white blood cell count reveals leukocytosis. Suspecting appendicitis, the child is taken to surgery; however, the removed appendix is grossly and histologically normal. The bacterial cause for the boy's symptoms was subse- quently identified as a Gram-negative rod after cold enrichment of fecal cultures. What is the etiology of this infection? (A) Campylobacter jejuni (B) Clostridium difficile (C) Salmonella typhi (D) Vibrio parahaemolyticus (E) Yersinia enterocolitica

Basic Clinical Laboratory Techniques 6E
6th Edition
ISBN:9781133893943
Author:ESTRIDGE
Publisher:ESTRIDGE
Chapter4: Basic Immunology And Immunohematology
Section4.1: Introduction To Immunology
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18 A 7-year-old boy presents to the emergency depart-
ment with fever, abdominal pain, and tenderness in
the right lower quadrant. A white blood cell count
reveals leukocytosis. Suspecting appendicitis, the
child is taken to surgery; however, the removed
appendix is grossly and histologically normal. The
bacterial cause for the boy's symptoms was subse-
quently identified as a Gram-negative rod after cold
enrichment of fecal cultures. What is the etiology of
this infection?
(A) Campylobacter jejuni
(B) Clostridium difficile
(C) Salmonella typhi
(D) Vibrio parahaemolyticus
(E) Yersinia enterocolitica
Transcribed Image Text:18 A 7-year-old boy presents to the emergency depart- ment with fever, abdominal pain, and tenderness in the right lower quadrant. A white blood cell count reveals leukocytosis. Suspecting appendicitis, the child is taken to surgery; however, the removed appendix is grossly and histologically normal. The bacterial cause for the boy's symptoms was subse- quently identified as a Gram-negative rod after cold enrichment of fecal cultures. What is the etiology of this infection? (A) Campylobacter jejuni (B) Clostridium difficile (C) Salmonella typhi (D) Vibrio parahaemolyticus (E) Yersinia enterocolitica
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