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lizzyjohnson16 lizzyjohnson16
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6 years ago
Depolarization occurs when which two electrolytes rush into the cell?
 
  1. Sodium and potassium
  2. Calcium and magnesium
  3. Calcium and sodium
  4. Chloride and potassium
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wrote...
6 years ago
Correct Answer: 3
Rationale: An action potential begins when sodium and calcium flow into the cell, resulting in depolarization.
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