Multiple Choice
Which of the following is NOT true of glial cells?
A) They form the myelin for axons.
B) Neurons outnumber glial cells 10 to 1 in the nervous system.
C) They deliver fuel molecules to neurons and remove the waste products of metabolism.
D) They are important for the growth and development of the nervous system.
E) They regulate the composition of the extracellular fluid in the CNS.
Correct Answer:
Verified
Correct Answer:
Verified
Q2: The action potential elicited by a supra-threshold
Q4: "Dual innervation of effectors" refers to the
Q6: Most of the parasympathetic ganglia lie in
Q21: The membrane potential of most neurons at
Q35: The relative refractory period of an excitable
Q71: The region of the brain that is
Q76: Which of these would occur if the
Q78: Preganglionic fibers of the parasympathetic division of
Q79: Which is NOT an example of a
Q90: Serotonin<br>A)acts as a neuromodulator.<br>B)is a catecholamine neurotransmitter.<br>C)is a