Multiple Choice
Which ion is the main extracellular cation in the human body?
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Which of the following statements correctly describe(s) the role of aldosterone?
a. Aldosterone triggers sodium ion and so water reabsorption.
b. Aldosterone triggers potassium ion secretion.
c. Aldosterone triggers hydrogen ion secretion.
d. Both a and b are correct.
e. All of the above are correct.