Damage to the Sinoatrial Node in Humans

Multiple Choice

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 cause blood flow rate to increase.
D) would disrupt the rate and timing of cardiac muscle contractions.
E) would have a direct effect on blood pressure monitors in the aorta.