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

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

The threshold potential for neurons is -55mV.

The threshold potential for neurons is -55mV.

Acetylcholine causes glycogen breakdown in the liver.

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

The optic nerve provides sensory and motor function.

Immediately after an action potential has peaked, which cellular gates are open?

Opening of Na+ gates at the beginning of an action potential is caused by the activation of a receptor.