Which of the Following Is a True Statement Regarding Sodium

Multiple Choice

Which of the following is a true statement regarding sodium excretion?

A) Urinary sodium excretion is precisely controlled by the kidneys.
B) If sodium intake is high, most of the excess sodium is excreted via sweat.
C) If sodium intake is high, most of the excess sodium is excreted via the feces.
D) Excess sodium intake is difficult to excrete and any excess is stored in the liver.