Which of the following substances undergoes renal tubular secretion?

Question

Quizplus · Accepted Answer

Renal tubular secretion is the process of moving substances from the bloodstream into the renal tubules to be excreted in urine. Potassium ions (K⁺) are one such substance that is actively secreted into the renal tubules, along with other substances such as hydrogen ions, creatinine, and certain drugs. Calcium ions (Ca²⁺) and sodium ions (Na⁺) may be filtered through the glomerulus, but they are primarily reabsorbed in the renal tubules rather than being secreted. Water (H₂0) is also primarily reabsorbed in the renal tubules.

Which of the Following Substances Undergoes Renal Tubular Secretion