The basic heartrate established by the SA node is called the
A) pacemaker potential.
B) action potential.
C) vagal tone.
D) sinus rhythm.
E) SA potential.

Question

Quizplus · Accepted Answer

Sinus rhythm refers to the basic heart rate established by the SA (sinoatrial) node, which is the natural pacemaker of the heart that initiates each heartbeat. The other options are related to specific aspects of cardiac physiology but do not specifically refer to the basic heart rate.

The Basic Heartrate Established by the SA Node Is Called