Which of the Following Is True of Requirements and Regulation

Which of the following is true of requirements and regulation of sodium? (Select all that apply.)

A) An RDA has not been established for sodium.
B) The sodium-potassium pump regulates sodium and other electrolytes.
C) Aldosterone released by the pituitary gland controls sodium reabsorption and excretion.
D) The kidneys adjust sodium excretion to match sodium intake.
E) The Dietary Guidelines and MyPlate encourage limiting consumption of sodium to 2300 mg/day.