In a Neuromuscular Junction,the Effect of Acetylcholine (ACh)binding to Receptors

question 17

Multiple Choice

In a neuromuscular junction,the effect of acetylcholine (ACh) binding to receptors on the motor end plate lasts only briefly due to

• A)rapid uptake of the ACh into the myofiber.
• B)endocytosis of the ACh receptor into the myofiber.
• C)rapid destruction of ACh in the synaptic cleft by acetylcholinesterase.
• D)rapid destruction of ACh in the synaptic cleft by monoamine oxidase.
• E)diffusion of the ACh out of the synaptic cleft.

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Definitions:

Electroconvulsive Therapy

A method of treating psychiatric illnesses by deliberately causing seizures using electrical stimulation to aid in symptom relief.

MAO Inhibitors

Medications that prevent the breakdown of monoamine neurotransmitters, increasing their availability in the brain and often used to treat depression.

Tricyclic Antidepressants

A class of medications used primarily to treat depression, affecting neurotransmitter levels in the brain.

Carbamazepine

A medication used primarily in the treatment of epilepsy and bipolar disorder, as well as trigeminal neuralgia.