Exam 10: Nervous System I: Basic Structure and Function

Sensory receptors

The neurotransmitter most likely produced when a person uses a drug that creates a sense of well-being is

The difference in electrical charge between the inside and outside of a polarized neuron cell membrane is called the ______ ______.

Enkephalins are neuropeptides.

Myelin is composed largely of carbohydrates.

In order for a severed peripheral nerve to regenerate and recover its original function, nerve fibers must sprout and enter tubes formed by

Drugs that inhibit the enzyme monoamine oxidase

Neurotransmitters that are modified amino acids are

The functional connection between two neurons is a

Saltatory conduction

The cells in the nervous system that fill spaces and support neurons both physically and nutritionally are called ______.

Transmitting an impulse from one neuron to another involves a(n)

Neuropeptides that affect a neuron's response to other neurotransmitters are called _______.

Which of the following cells is found only in the PNS?

Interneurons are specialized to carry impulses from receptor cells into the brain or spinal cord.

Which of the following ions cross neuron cell membranes most readily?

Masses of myelinated nerve fibers appear

The space between neurons is called the neuronal space.

Presynaptic neurons release neurotransmitters by ______________.

Which of the following is unique to neurons?