Asked by
Tabitha Gregory
on Oct 13, 2024
Verified
What is the pacemaker of the heart?
A) AV node
B) bundle of His
C) Purkinje fibers
D) SA node
Pacemaker
A device that delivers electrical impulses to the heart to regulate the heartbeat, used in cases of arrhythmia. Another reference is to specialized heart cells that naturally set the rhythm of the heart.
SA Node
The sinoatrial node, known as the heart's natural pacemaker, which initiates the electrical impulses that dictate heart rhythm.
- Comprehend the order and importance of electrical stimulation in the cardiac system.
Verified Answer
MP
Learning Objectives
- Comprehend the order and importance of electrical stimulation in the cardiac system.
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The SA Node Is the Pacemaker of the Heart