The urine is a. Hypotonic to blood and isotonic to medullary fluid b. Hypertonic to blood and isotonic to medullary fluid c. Isotonic to blood and hypotonic to medullary fluid d. Isotonic to blood and hypertonic to medullary fluid
Option B.Water leaves descending limb of the loop of Henle, returning to the blood. Hence, urine is hypertonic to blood and isotonic to medullary plasma.
