What effect does potassium have on the resting potential of the cardiac cell?
A) Changes in potassium have no effect on the resting potential.
B) Increasing extracellular potassium decreases the resting potential.
C) Increasing extracellular potassium increases the resting potential.
D) Increasing the intracellular potassium decreases the resting potential.
Answer: B) Increasing extracellular potassium decreases the resting potential.
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