What Event Causes the Release of Neurotransmitters into the Synaptic

question 34

Multiple Choice

What event causes the release of neurotransmitters into the synaptic cleft?

• A) the arrival of the action potential at the postsynaptic neuron
• B) the arrival of the resting potential at the postsynaptic neuron
• C) the arrival of the action potential at the terminal buttons
• D) the arrival of the resting potential at the terminal buttons

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Definitions:

Serrations

Jagged or toothlike edges on objects such as knives or saw blades, enhancing cutting efficiency.

Speculum

A medical tool used to hold open a body cavity or canal for examination purposes.

Retractor

A surgical instrument used to hold back underlying organs and tissues, so that body parts under operation are easily accessible.

Tissue

A collection of similar cells and fibers forming a structure in the body.