What happens when a motor neuron releases acetylcholine?
A. The muscle fiber is hyperpolarized, which opens calcium channels.
B. The muscle fiber is depolarized, which opens sodium channels.
C. The muscle fiber is hyperpolarized, which opens sodium channels.
D. The muscle fiber is depolarized, which opens calcium channels.
Answer: D
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a. US; CS; CR c. CS; US; UR b. US; CS; UR d. CS; CR; US
__________ can explain the permanence and cessation aspects of death, but they are attracted to alternatives
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