Exam (elaborations)
PCCN Cardiac Questions with Verified Answers
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Which cation activates the second (slow-channel) inward flow of ions during cardiac depolarization? A. Sodium B. Potassium C. Chloride D. Calcium D. Calcium The sodium-potassium pumps are associated with rapid channel movement, so A and B can be eliminated initially. Chloride is an anion, so e...
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