If you were to cut open a ventral root you would find

Action potentials only occur on nerve fibers.

The spinal cord has all of the following regions except

An anticholinergic drug is considered parasympatholytic.

Saltatory conduction allows a nerve signal to travel down the axon by jumping from one node of Ranvier to the next node of Ranvier.

Neurotransmitters are only stored within vesicles in the axon terminal (synaptic knob) of a neuron.

The phrenic nerve emerges from the sacral plexus.

Myelin is formed by Oligodendrocytes in the PNS and Schwann cells in the CNS.

Which cranial nerve stimulates neck and shoulder movements?

Norepinephrine binds to muscarinic receptors.