K+ diffusion results in

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Prepare for the Cardiac Electrophysiology Test. Study with interactive quizzes and multiple choice questions. Each question includes helpful hints and detailed explanations. Start your journey to success on your cardiac exam now!

Multiple Choice

K+ diffusion results in

Explanation:
Potassium moves out of the cell down its concentration gradient. As positive charges leave, the inside loses positive charge and becomes more negative relative to the outside. This buildup of negative charge inside helps establish the resting membrane potential in cardiac cells. The outside may become relatively more positive, but the key point is the interior becomes more negative.

Potassium moves out of the cell down its concentration gradient. As positive charges leave, the inside loses positive charge and becomes more negative relative to the outside. This buildup of negative charge inside helps establish the resting membrane potential in cardiac cells. The outside may become relatively more positive, but the key point is the interior becomes more negative.

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