Substances removed from the blood by tubular secretion include primarily:
A) Protein, hydrogen, and ammonia
B) Protein, hydrogen, and potassium
C) Amino acids, urea, and glucose
D) Protein-bound substances, hydrogen, and potassium

Question

Quizplus · Accepted Answer

Substances removed by tubular secretion include protein-bound substances such as drugs and hormones, hydrogen ions, and potassium ions. It does not include amino acids, urea, or glucose, which are primarily removed by filtration and reabsorption.

Substances Removed from the Blood by Tubular Secretion Include Primarily