Autorhythmic cells
A) are also called pacemakers because they set the rate of the heartbeat.
B) are the same size as myocardial contractile cells.
C) have organized sarcomeres.
D) contribute to the force of contraction.
E) None of the answers are correct.
Correct Answer:
Verified
Q21: The depolarization of the pacemaker action potential
Q22: Stretching a myocardial cell
A) only decreases the
Q23: The action potential in a cardiac contractile
Q24: The rapid depolarization phase of the action
Q25: The medical term for heart attack is
A)
Q27: The end of the plateau phase is
Q28: ECGs
A) provide direct information about the heart
Q29: The importance of the plateau phase of
Q30: When the heart is in fibrillation,
A) the
Q31: The AV node is important because it
A)
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