Multiple Choice
As a result of the way nerve impulses are propagated, they are unidirectional. Which of the following does NOT contribute to this phenomenon?
A) Unidirectional sodium and potassium channels open only toward the axon of the nerve cell.
B) Presynaptic neurotransmitters and postsynaptic receptors are separated.
C) Sensory processes are oriented in such a manner that the information is targeted to the dendrites of the nerve cell.
D) The time interval encompassed by the refractory period does NOT allow the impulse to travel in reverse.
E) none of the above
Correct Answer:

Verified
Correct Answer:
Verified
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