Maximum potassium ions secretion is seen in which of the following secretion?
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
Saliva
Gastric secretions
Jejunal secretions
Colonic secretions