When a Neurotransmitter Like Acetylcholine Is Acting in an Excitatory

question 68

Multiple Choice

When a neurotransmitter like acetylcholine is acting in an excitatory manner which of the following is likely a result of the acetylcholine acting on the postsynaptic cell?

• A) Chemically gated sodium channels will open.
• B) Chemically gated sodium channels will be closed.
• C) Chemically gated potassium channels will open.
• D) Chemically gated chloride channels will open.

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Definitions:

Positron Emission Tomography

A nuclear medicine functional imaging technique used to observe metabolic processes in the body as an aid to the diagnosis of disease.

Electrical Stimulation

A therapeutic method or research tool that applies electrical currents through electrodes to stimulate nerves, muscles, or brain areas for various purposes.

Parasympathetic

Pertaining to the part of the autonomic nervous system that conserves energy by slowing the heart rate and relaxing muscles after periods of stress.

Sympathetic

Sympathetic refers to feelings of pity and sorrow for someone else's misfortune, or the part of the autonomic nervous system that increases body alertness and mobilization in response to stress.