Multiple Choice
A polarized neuron in its resting state has
A) high potassium and high sodium ion concentration inside the cell membrane.
B) high potassium ion concentration on the outside of the cell membrane and high sodium ion concentration on the inside of the cell membrane.
C) high sodium and high potassium ion concentrations outside the cell membrane.
D) high sodium ion concentration on the outside of the cell membrane and high potassium ion concentration on the inside of the cell membrane.
Correct Answer:

Verified
Correct Answer:
Verified
Q39: What keeps many drugs from readily passing
Q40: The three catecholamine neurotransmitters are<br>A) acetylcholine, glycine,
Q41: What type of reflex causes the extensor
Q42: The efferent processes of a nerve cell
Q43: The most primitive part of the CNS
Q45: Which one of the following cranial nerves
Q46: The spinal cord is a<br>A) caudal continuation
Q47: The "all-or-nothing" principle means<br>A) all of the
Q48: A somatic reflex involves<br>A) cardiac muscle regulation.<br>B)
Q49: An example of an action controlled by