Peristaltic waves in the small intestine are characterized by the following statement except:
A)They occur in response to distention of the wall.
B)Can be abolished by local application of coccaine
C)They are controlled primarily by extrinsic innervation
D)none

Question

Quizplus · Accepted Answer

Peristaltic waves in the small intestine are primarily controlled by the enteric nervous system, which is an intrinsic system, rather than by extrinsic innervation. This means that while extrinsic nerves can influence peristalsis, the primary control mechanisms are located within the gut wall itself.

Peristaltic Waves in the Small Intestine Are Characterized by the Following