In-Text Figure Based Questions
-What stimulates stretch receptors in the rectum? (Figure 24-26)
A) release of mucus into the rectum
B) gastrin release by the stomach
C) a high water content in the feces
D) feces causing distension in the rectum
E) high concentrations of urobilins and stercobilins in the feces

Question

Quizplus · Accepted Answer

Stretch receptors in the rectum are stimulated by feces causing distension in the rectum. This triggers the defecation reflex. Options A, B, C, and E are not correct as they are not directly related to the stimulation of stretch receptors in the rectum.