Multiple Choice
Neurons do not normally fire more than 1,000 times per second because
A) the absolute refractory period is typically about 1 millisecond.
B) the relative refractory period is typically about 1 millisecond.
C) the total refractory period is typically about 1 millisecond.
D) the sodium-potassium pump cannot repolarize the cell in less than 1 millisecond.
E) higher rates over excite the neuron.
Correct Answer:
Verified
Correct Answer:
Verified
Q11: Peptide neurotransmitters are<br>A) synthesized in the cell
Q12: The process of neurotransmitter release is referred
Q13: The wave of absolute refractoriness that follows
Q14: Neurons recycle<br>A) neurotransmitter molecules that have been
Q15: Drugs that bind to a neurotransmitter's autoreceptors
Q17: Technological developments led to the discovery of
Q18: Another word for "integration" is<br>A) "firing."<br>B) "all-or-none."<br>C)
Q19: Action potentials can be conducted<br>A) actively.<br>B) passively.<br>C)
Q20: Actions potentials are generated on the axon
Q21: Peptide neurotransmitters (i.e.,neuropeptides)are synthesized in the cell