Which of the following is required for the secretion of neurotransmitters in response to an action potential?

Question

Quizplus · Accepted Answer

The secretion of neurotransmitters in response to an action potential requires the opening of voltage-gated Ca2+ channels, which allow Ca2+ ions to enter the presynaptic terminal and trigger vesicle fusion and neurotransmitter release. Therefore, the correct choice is D, voltage-gated Ca²⁺ channels. A, neurotransmitter receptors are not involved in the secretion process but rather in the postsynaptic response to neurotransmitter release. B, Na⁺-K⁺ pumps are not directly involved in neurotransmitter secretion but rather in the maintenance of ion gradients across the plasma membrane. C, voltage-gated K⁺ channels are important for the generation of the action potential but not for the secretion of neurotransmitters.

Which of the Following Is Required for the Secretion of Neurotransmitters