Following fluid deprivation,a patient has a serum osmolality of 276 mOsm and a urine osmolality of 1000 mOsm.This patient:
A) Has normal concentration ability
B) May have defective antidiuretic hormone (ADH) production
C) May have insufficient tubular ADH response
D) Has a high serum lipid concentration

Question

Quizplus · Accepted Answer

The patient's ability to concentrate urine to 1000 mOsm after fluid deprivation indicates a normal concentration ability, suggesting that the kidneys are responding appropriately to ADH and concentrating the urine as expected in a state of dehydration.

Following Fluid Deprivation,a Patient Has a Serum Osmolality of 276