In the spinal cord, white matter surrounds gray matter.

Polio is a disease that causes destruction of oligodendrocytes.

Action potentials only occur on nerve fibers.

Myelin wraps around nerve fibers.

Cranial nerves VIII-XI in order are

Cranial nerves VIII-XI in order are

The cerebrum exhibits folds (ridges) called ________ separated by grooves called ________ .

Which of the following would be a characteristic of a neuron with the fastest conduction speed?

Propranolol, a beta-adrenergic blocker, is typically used to _____________.

When a neuron is at rest, the membrane potential is -55 mV.