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Muscle Physiology and Contraction Quiz
Muscle Physiology and Contraction Quiz
Quiz
Question 1
Question 2
Question 3
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Question 5
Question 6
Question 7
Question 8
Question 9
Question 10
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Question 12
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Question 17
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Question 22
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According to the muscle physiology steps, what is the initial event that occurs in the presynaptic terminal after an action potential arrives?
A.
Ca2+ channels open and Ca2+ enters the presynaptic terminal.
B.
ATP molecules are broken down to ADP and P.
C.
Na+ channels on the postsynaptic membrane open.
D.
Acetylcholine is released from presynaptic vesicles.
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