Damage to the sinoatrial node in humans A) is a major contributor to heart atta

Author Question: Damage to the sinoatrial node in humans A) is a major contributor to heart atta (Read 773 times)

luvbio

Hero Member
Posts: 623

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

Hero Member
Posts: 739

Reply #1 on: Sep 9, 2013

Choose D

GL

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