Voltage -Gated Calcium Channels in the Axon Terminal Open in Response

question 26

Multiple Choice

Voltage -gated calcium channels in the axon terminal open in response to which of the following?

• A) summation of graded potentials at the axon hillock
• B) paracrines released from the post -synaptic cell
• C) initiation of an action potential in the axon hillock
• D) neurotransmitter binding to receptor
• E) arrival of an action potential at the axon terminal

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Definitions:

Mass

The property of a physical body that quantifies the amount of material contained within it, influencing the body's resistance to acceleration.

Density

The mass per unit volume of a substance, commonly expressed in grams per cubic centimeter or kilograms per cubic meter.

Volume

Volume refers to the amount of space that a substance or object occupies, or that is enclosed within a container, usually quantified in cubic units.

Mass

A quantification of the volume of matter present in an object, often stated in terms of kilograms or grams.