Which of the following would you NOT expect when smooth muscle along the digestive tract is exposed to acetylcholine (ACh)?

A. Increased risk of constipation
B. Increased tension production by smooth muscle
C. Smooth muscle cells depolarization
D. Increased Ca2+ influx into the smooth muscle cells
E. Direct flow of Ca2+ ions from one cell's cytoplasm to its neighbouring cell's cytoplasm.
F. Increased frequency of peristaltic contractions


Ans: A. Increased risk of constipation

Anatomy & Physiology

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