Which of the Following Events Occurs After All the Other

question 8

Multiple Choice

Which of the following events occurs after all the other steps listed when describing the stimulation of a skeletal muscle fiber?

• A)ACh binds with receptors on the muscle cell membrane, opening sodium channels.
• B)ACh diffuses across the cleft of the junction.
• C)ACh is released by exocytosis.
• D)Calcium diffuses into the terminal button.
• E)Voltage-gated channels for calcium in the axon terminal are opened.

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