M-Currents Are Involved in A(n)

question 49

Multiple Choice

M-currents are involved in a(n)

• A) fast, direct excitatory potential in post-ganglionic autonomic neurons.
• B) slow, long-lasting depolarization in post-ganglionic autonomic neurons.
• C) fast, direct inhibitory potential in post-ganglionic autonomic neurons.
• D) slow, long-lasting hyperpolarization in post-ganglionic autonomic neurons.
• E) initiation of long-term potentiation in post-ganglionic autonomic neurons.

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Definitions:

Preganglionic Neuron

A preganglionic neuron is a nerve cell that projects from the central nervous system to a ganglion, part of the autonomic nervous system, where it synapses with postganglionic neurons.

Somatic Motor System

The part of the central and peripheral nervous system involved in the voluntary control of body movements via skeletal muscles.

Autonomic Ganglion

A cluster of nerve cell bodies in the autonomic nervous system that acts as a relay point for transmitting nerve signals.

Cranial Nerves

The twelve pairs of nerves that originate directly from the brain, not the spinal cord, and are responsible for carrying messages to and from the brain to various parts of the head and neck.