Which of the following is the most likely to be secreted into the renal tubule for excretion?
A) Glucose
B) Excess Na+
C) Vitamins
D) Water
E) Amino acids

Question

Quizplus · Accepted Answer

Excess Na+ is the most likely to be secreted into the renal tubule for excretion. The kidneys play a crucial role in regulating sodium levels in the body, and excess sodium is actively secreted into the renal tubules to be excreted in urine. This helps in maintaining electrolyte balance and blood pressure. Glucose, vitamins, and amino acids are typically reabsorbed by the kidneys because they are valuable nutrients, while water reabsorption is regulated to maintain fluid balance rather than being specifically secreted for excretion.

Which of the Following Is the Most Likely to Be