A neuron's reaction of either firing at full strength or not firing at all is described as
A) an all-or-none response.
B) a refractory period.
C) the resting potential.
D) a reflexive response.
Correct Answer:
Verified
Q194: Excitatory signals to a neuron must exceed
Q195: A synapse is a(n)
A) chemical messenger that
Q196: An action potential involves the temporary _
Q197: The axon of a sending neuron is
Q198: Reuptake refers to the
A) movement of neurotransmitter
Q200: Neurotransmitters are released from knob-like terminals at
Q201: Endorphins are
A) neurotransmitters.
B) sex hormones.
C) endocrine glands.
D)
Q202: Opiate drugs _ mood and _ pain.
A)
Q203: Opiate drugs occupy the same receptor sites
Q204: Which neurotransmitter plays the most direct role
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