During the plateau phase of a cardiac muscle cell's action potential, the membrane stays
A. depolarized as potassium enters and calcium exits.
B. hyperpolarized as sodium and calcium exit.
C. hyperpolarized as potassium enters and calcium exits.
D. repolarized as sodium enters and calcium exits.
E. depolarized as potassium exits and calcium enters.
Answer: E
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Indicate whether the statement is true or false
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