Author Question: If the permeability of a resting axon to sodium ion increases, A) the membrane potential will ... (Read 75 times)

gbarreiro · **on:** Feb 28, 2019

If the permeability of a resting axon to sodium ion increases,
A) the membrane potential will repolarize.
B) the membrane potential will hyperpolarize.
C) inward movement of sodium ion will increase.
D) outward movement of sodium ion will decrease.
E) inward movement of sodium will increase and the membrane will depolarize.

Question 2

Any stimulus that opens a ________ ion channel will produce a graded potential.
A) voltage-gated
B) chemically gated
C) sodium
D) mechanically gated
E) All of the answers are correct.