A Stimulus Traveling Toward a Synapse Appears to Open Calcium

question 6

True/False

A stimulus traveling toward a synapse appears to open calcium ion channels at the presynaptic end, which in turn promotes fusion of synaptic vesicles to the axonal membrane.

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Definitions:

Deltoid Group

A group of muscles in the shoulder responsible for arm abduction, flexion, extension, and rotation.

Trapezius Group

A large muscle group in the back that is responsible for moving, rotating, and stabilizing the scapula and extending the neck.

Dorsal Surface

The dorsal surface refers to the back side of an organism or the upper side of body parts that lie horizontally.

Ventral Surface

The front or abdomen side of the body in animals; opposite of dorsal.