The importance of the plateau phase of the action potential of myocardial cells is in
A) preventing overstretching of the cells.
B) enhancing the efficiency of oxygen use by the cells.
C) preventing tetanus.
D) preventing fibrillation.
E) regulating Ca²⁺ availability to the cells.
Correct Answer:
Verified
Q24: The rapid depolarization phase of the action
Q25: The medical term for heart attack is
A)
Q26: Autorhythmic cells
A) are also called pacemakers because
Q27: The end of the plateau phase is
Q28: ECGs
A) provide direct information about the heart
Q30: When the heart is in fibrillation,
A) the
Q31: The AV node is important because it
A)
Q32: The fibrous skeleton of the heart is
Q33: Myocardial cells can generate action potentials spontaneously
Q34: In the condition known as complete heart
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