Author Question: The presence of ________ dramatically increases the speed at which an action potential moves along ... (Read 36 times)

mspears3 · **on:** Feb 28, 2019

The presence of ________ dramatically increases the speed at which an action potential moves along an axon.
A) a capsule
B) plasma protein
C) neurilemma
D) glial cells
E) myelin

Question 2

The period during which an excitable membrane can respond again, but only if the stimulus is greater than the threshold stimulus, is the ________ period.
A) relative refractory
B) absolute refractory
C) resting
D) lag
E) stationary