An Action Potential Is Triggered If

Q54: Masses of myelinated nerve fibers appear<br>A)white.<br>B)gray.<br>C)brown.<br>D)transparent.

Q55: A person is exposed to a drug

Q56: A neuron receives a series of stimuli

Q57: An immune response that affects the myelin

Q58: The neurotransmitter most likely produced when a

Q60: Three general functions of the nervous system

Q61: The nervous system<br>A)provides a support system for

Q62: The cytoplasmic extensions that, together with the

Q63: A drug that functions as an agonist<br>A)activates

Q64: A(n)_ is the junction between neurons.