MCAT

Dinesh1

February 15, 2023

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MCAT Practice Question for May 4, 2026

In the process of nerve transmission, action potentials are initiated at the axon hillock, the region of the nerve cell where the axon and soma meet.

Which of the following ion channels is responsible for the initiation of an action potential in the axon hillock?

Leakage channels

Ligand-gated ion channels

Voltage-gated ion channels

Enzyme-bound channels