In a Synapse, What Initiates the Release of Neurotransmitter

question 86

Multiple Choice

In a synapse, what initiates the release of neurotransmitter?

• A) when an action potential depolarizes the presynaptic membrane
• B) when threshold potential is reached
• C) when enough voltage-gated sodium channels open to release calcium into the synapse
• D) the presence of gap junctions joining the synaptic membranes

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Definitions:

Roy's Adaptation Model

A framework used in nursing to help assess and address patient needs by considering individuals as adaptive systems responding to environmental stimuli.

Output

Energy, matter, or information from a system given out by the system as a result of its processes.

Adaptive Responses

The adjustments or changes made by an organism or individual to environmental stimuli or stressors, enhancing survival and functioning.

Conceptual Framework

A group of related concepts.