Kidney helps in the conservation of useful materials and excretion of wastes and therefore they receive 20% of the heart’s output of blood (as much as the heart and brain combined). On a percentage basis which substance is most completely reabsorbed by the kidneys?

Question

Kidney helps in the conservation of useful materials and excretion of wastes and therefore they receive 20% of the heart’s output of blood (as much as the heart and brain combined). On a percentage basis which substance is most completely reabsorbed by the kidneys? (A) Water (B) Glucose (C) Urea (D) Sodium

Tardigrade Admin · Accepted Answer

Glucose is 100% reabsorbed and thus a healthy person will excrete no glucose in the urine. Sodium and water are usually over 99% reabsorbed. Urea is the main excretory product formed as a result of protein breakdown.

Q. Kidney helps in the conservation of useful materials and excretion of wastes and therefore they receive 20% of the heart’s output of blood (as much as the heart and brain combined). On a percentage basis which substance is most completely reabsorbed by the kidneys?

Water

Glucose

Urea

Sodium

Glucose is 100% reabsorbed and thus a healthy person will excrete no glucose in the urine. Sodium and water are usually over 99% reabsorbed. Urea is the main excretory product formed as a result of protein breakdown.