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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Among the ions mentioned, the highest equilibrium potential is for:
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The correct answer is  Equilibrium potential for Ca2+ = +129 mV. Two factors are responsible for this high value: 1.Calcium is a divalent cation. 2.Its concentration gradient (ECF:ICF) is very large.