Which of the Following Statements Is Not True Concerning Acetylcholine's

question 41

Multiple Choice

Which of the following statements is not true concerning acetylcholine's function?

• A) Acetylcholine has an excitatory effect on smooth muscle and glands.
• B) Acetylcholine is active in both the CNS and PNS.
• C) In the PNS, acetylcholine excites skeletal muscle.
• D) In the PNS, acetylcholine inhibits cardiac muscle.
• E) The enzyme acetylcholinesterase removes acetylcholine from the receiving cell's membrane.

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Definitions:

Cecum

The first part of the large intestine, located at the junction between the intestines and the appendix.

Jejunum

The second part of the small intestine in humans, where most of the nutrients from food are absorbed.

Duodenum

The first section of the small intestine, immediately following the stomach, where initial digestion of food takes place.

Ileum

The final and longest segment of the small intestine, where the absorption of nutrients and minerals is completed.