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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Definitions:

Autoclaving

A sterilization method using high-pressure steam to kill all forms of microorganisms, including spores, on surgical equipment or other items.

Sterilization

A process that eliminates all forms of life and other biological agents from an object or area to prevent infection.

Productive Cough

A cough that results in the expulsion of mucus or phlegm from the respiratory tract.

Negative-Pressure Room

A specialized hospital room designed to contain airborne contaminants within the room by maintaining a lower air pressure inside than in the surrounding areas.