A Professor Has Taught the Students About the Pathogenesis of Abdominal

Multiple Choice

A professor has taught the students about the pathogenesis of abdominal pain. Which statement by a student indicates the professor needs to review the material?

A) Chemical mediators, such as histamine, bradykinin, and serotonin, produce abdominal pain.
B) Edema and vascular congestion produce abdominal pain by stretching.
C) Ischemia, caused by distention of bowel obstruction or mesenteric vessel thrombosis, produces abdominal pain.
D) Low concentrations of anaerobes, such as Streptococci, Lactobacilli, Staphylococci, Enterobacteria, and Bacteroides, produce abdominal pain.