Peristalsis in the gut is due to ______________?
Correct answer: C. Mecharical distension
- A. Preperistalitic intestinal secretion
- B. Simultaneous action of circular and longitudinal muscles
- C. Mecharical distension
- D. Extrinsic nervous influenceOrder DNA Kits
Explanation
Mechanical distension of the intestinal wall initiates the local peristaltic reflex through the enteric nervous system. Circular and longitudinal muscle activity produces the movement, but distension is the trigger.
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