In the brain, gray matter surrounds white matter.

An anticholinergic drug is considered parasympatholytic.

Oligodendrocytes are the most abundant of the glial cells.

During an action potential, Sodium exits the cell causing the membrane potential to become more negative.

Norepinephrine binds to muscarinic receptors.

Epidural anesthesia is introduced to the epidural space between the ________ to block pain signals during pregnancy.

Which of the following occurs during an action potential? (efflux=out; influx=in)1. Na+ efflux, 2. Na+ influx, 3. K+ influx, 4. K+ efflux, 5. depolarization

The location of cranial nerves III through IV is the

In the spinal cord, white matter surrounds gray matter.

A nerve that contains only efferent fibers is called a(n)