An ultrasound has confirmed appendicitis as the cause of a 20-year-old man's sudden abdominal pain. Which of the following etiologic processes is implicated in the development of appendicitis?
A) Obstruction of the intestinal lumen
B) Elimination of normal intestinal flora
C) Sloughing of the intestinal mucosa
D) Increased osmolality of intestinal contents
Ans: A
Feedback:
Appendicitis is thought to be related to intraluminal obstruction with a fecalith or to twisting. Osmotic and bacterial changes are not thought to induce appendicitis, and the intestinal mucosa does not slough off either before or during episodes of appendicitis.
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