The long plateau phase of the cardiac muscle action potential is due to
a. increased membrane...
The long plateau phase of the cardiac muscle action potential is due to
a. increased membrane permeability to sodium ions.
b. calcium channels remaining open.
c. movement of fewer sodium ions across the cell membrane.
d. a decrease in the amount of calcium diffusing across the membrane. e. increased membrane permeability to potassium ion.
Answers: 1
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