Many excitatory neurotransmitters usually cause __ influx so that the postsynaptic membrane moves toward threshold and depolarization can begin a new nerve impulse.
A) calcium ion
B) chloride ion
C) potassium ion
D) sodium ion
Correct Answer:
Verified
Q17: The "all-or-nothing" principle means
A) all of the
Q18: Nerve fibers is another name for
A) axons.
B)
Q19: Nerve cells receive stimuli or impulses through
A)
Q20: In the spinal cord the small gaps
Q21: The part of the CNS that controls
Q23: A ganglion is a
A) cluster of CNS
Q24: Hypermetria results from injury to the
A) brainstem.
B)
Q25: The spinal cord is a
A) caudal continuation
Q26: The largest part of the brain is
Q27: The most primitive part of the CNS
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