Release of acetylcholine at a neuromuscular junction
A) decreases the release of Ca₂+ from the sarcoplasmic reticulum.
B) increases permeability of the sarcolemma to Na+.
C) decreases the positive charge on the sarcolemma.
D) lowers the threshold of the muscle fiber.
E) overrides the inhibitory effect of acetylcholinesterase.
Correct Answer:
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