Medical MCQ - Which of the following happens when a nerve impulse arrives at the neuromuscular junction?

Which of the following happens when a nerve impulse arrives at the neuromuscular junction?

Release of calcium from Sarcoplasmic reticulum

ACh binds to receptors in Sarcolemmal membrane

Release of K+ into the Sarcoplasm

Sodium ions rush outside the Sarcoplasm

Question Category:

Correct Answer:

ACh binds to receptors in Sarcolemmal membrane

Description:

Molecules of ACh diffuse across the synaptic cleft and bind to ACh receptors on the motor end plate. Ref: Human Anatomy And Phsyiology, edited by Sanghani, Page 204

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