Most of the energy consumed by the nervous system is used for the movement of ions.
Correct Answer:
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Q17: Neurons are classified according to:
A)the number of
Q18: _ allow some ions to move against
Q19: Depolarization occurs when:
A)the difference in potential across
Q20: The relative amount of voltage in an
Q21: The major inhibitory neurotransmitter is:
A)dopamine
B)epinephrine
C)GABA
D)glutamate
E)the neuropeptides
Q23: A neuron with an axon of small
Q24: Primary neuronal loss:
A)is variable in degree of
Q25: A neurotransmitter:
A)serves to open ionic channels in
Q26: At the synapse,what event must occur before
Q27: The direction of a neural impulse travels
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