Multiple Choice
The myelin sheaths of PNS neurons are produced by
A) Schwann cells.
B) oligodendrocytes.
C) ependymal cells.
D) leukocytes.
Correct Answer:
Verified
Correct Answer:
Verified
Q3: Cocaine blocks the release of dopamine,norepinephrine,and serotonin.
Q4: An axon will depolarize only if the
Q5: The _ dopamine system may be involved
Q6: The binding of a neurotransmitter to its
Q7: During an action potential<br>A)Na<sup>+</sup> efflux causes depolarization.<br>B)K<sup>+</sup>
Q9: Acetylcholine<br>A)is always an excitatory neurotransmitter.<br>B)can bind to
Q10: Which of the following is NOT true
Q11: The membrane of resting nerve cells is
Q12: Serotonin is derived from the amino acid
Q13: Which of the following are natural analgesics?<br>A)endorphins<br>B)enkephalins<br>C)dynorphins<br>D)All