Which of the following hormones is important in the regulation of sodium ion concentrations in the extracellular fluid?
A) antidiuretic hormone
B) erythropoietin
C) aldosterone
D) renin
Answer: C
Which of the following hormones is important in the regulation of sodium ion concentrations in the extracellular fluid?
A) antidiuretic hormone
B) erythropoietin
C) aldosterone
D) renin
Answer: C