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)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
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
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