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Author Question: Damage to the sinoatrial node in humans A) is a major contributor to heart atta (Read 734 times)

luvbio

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on: Sep 7, 2013
Damage to the sinoatrial node in humans
A)  is a major contributor to heart attacks.
B)  would block conductance between the bundle branches and the Purkinje fibers.
C)  would have a negative effect on peripheral resistance.
D)  would disrupt the rate and timing of cardiac muscle contractions.
E)  would have a direct effect on blood pressure monitors in the aorta.


coco

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Reply #1 on: Sep 9, 2013
Choose D

GL


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