Which of the following is NOT true regarding neurotransmitters?
A) They travel across the synapse before contacting the neurotransmitter receptor.
B) They are chemicals that either excite or inhibit postsynaptic neurons.
C) They are released whenever an action potential travels down the axon.
D) They are released from the terminal buttons of the dendrites.
E) They affect the activity in dendrites of nearby cells.
Correct Answer:
Verified
Q19: One function of the soma is to
A)
Q20: The axon carries messages toward the
A) soma.
B)
Q21: Dendritic spines are
A) protuberances on the surface
Q22: The firing of an axon is also
Q23: Synapses can occur
A) between the soma and
Q25: One of the functions of the myelin
Q26: Multiple sclerosis involves the deterioration of the
Q27: Multiple sclerosis is caused by
A) the immune
Q28: Karen has _, a debilitating condition caused
Q29: When the axon is resting, the outside
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