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As the action potential (AP) propagates away from the axon hillock, why does it continue in one direction (downstream)? the region behind the AP is in absolute refractory period the region in front of the AP is in absolute refractory period they travel the path of least resistance the region behind the AP runs out of NA+ ions Both A and B

As the action potential (AP) propagates away from the axon hillock, why does it continue in one direction (downstream)? the region behind the AP is in absolute refractory period the region in front of the AP is in absolute refractory period they travel the path of least resistance the region behind the AP runs out of NA+ ions Both A and B

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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As the action potential (AP) propagates away from the axon hillock, why does it continue in one direction (downstream)? the region behind the AR is in absolute refractory period the region in front of the AP is in absolute refractory period they travel the path of least resistance the region behind the AP runs out of NA+ ions Both A and B
Transcribed Image Text:As the action potential (AP) propagates away from the axon hillock, why does it continue in one direction (downstream)? the region behind the AR is in absolute refractory period the region in front of the AP is in absolute refractory period they travel the path of least resistance the region behind the AP runs out of NA+ ions Both A and B
Expert Solution
Step 1:

Action potentials, those electrical impulses that go throughout the body, are nothing more than a brief change in the membrane potential of the neuron brought on by ions that are suddenly streaming into and out of the cell.

 

 

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