Maximum potassium ions secretion is seen in which of the following secretion?
Correct Answer: Saliva
Description: Saliva contains large quantity of potassium and bicarbonate ions. The concentration of potassium ion is about 30 mEq/L, seven times as great as in plasma. The concentration of potassium is gastric secretions is relatively low. Colon secretes only a small amount of potassium. Ref: Guyton, 11th Ed Page 794
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Physiology
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