Which of the Following Statements Is TRUE of Communication Across

question 37

Multiple Choice

Which of the following statements is TRUE of communication across the neuromuscular junction?

• A) Synaptic communication to the muscle cell can be excitatory or inhibitory.
• B) Acetylcholine released from a motor neuron binds to muscarinic cholinergic receptors.
• C) Acetylcholinesterase located in mitochondria of the motor neuron degrades acetylcholine to acetate and choline.
• D) The end -plate potential is always of sufficient magnitude to depolarize the muscle cell to threshold to initiate an action potential.
• E) Acetylcholinesterase located in the cytosol of the motor neuron degrades acetylcholine to acetate and choline.

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