Which chemical controls blood vessel dilation?
A) acetylcholine
B) nitric oxide
C) serotonin
D) endorphins
E) dopamine
Correct Answer:
Verified
Q50: The spaces that separate adjacent Schwann cells
Q51: Saltatory ("jumping") conduction
A) occurs only in the
Q52: GABA works by
A) inhibiting reuptake.
B) enzyme degradation
Q53: The myelin sheath
A) is formed by the
Q54: Which of the following neurotransmitters prepares the
Q56: At an inhibitory synapse,
A) no transmitter substances
Q57: The use of transport proteins to return
Q58: A deterioration in the myelin sheaths of
Q59: The Schwann cell's counterpart in the central
Q60: An excitatory postsynaptic potential
A) is only one
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