If a muscle cell expressed muscarinic ACh channels, which are only permeable to Na+ instead of nicotinic ACh channels, which are permeable to both Na+ and K+, which portion of a muscle cell would be inhibited?

A. Relaxation
B. Muscle cell depolarization
C. Cross-bridge cycling
D. Neurotransmitter release from the motor neuron
E. None of the answer choices are correct


Answer: E

Anatomy & Physiology

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