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12. A true statement concerning conduction in first-degree AV block is that: O it results from failure of the SA node the P wave is unusually wide U conduction is abnormally slowed across the AV junction O the impulse arises from the AV junction

12. A true statement concerning conduction in first-degree AV block is that: O it results from failure of the SA node the P wave is unusually wide U conduction is abnormally slowed across the AV junction O the impulse arises from the AV junction

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
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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12. A true statement concerning conduction in first-degree AV block is that: it results from failure of the SA node the P wave is unusually wide O conduction is abnormally slowed across the AV junction O the impulse arises from the AV junction
Transcribed Image Text:12. A true statement concerning conduction in first-degree AV block is that: it results from failure of the SA node the P wave is unusually wide O conduction is abnormally slowed across the AV junction O the impulse arises from the AV junction
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