When the Human Body Needs to Conserve Water, as in Dehydration

When the human body needs to conserve water, as in dehydration, the concentration mechanism operates maximally, and the urine osmolality will change to about ______.When there is excess water in the body, urine flow ______, and the diluting mechanism can change urine osmolality to approximately ______.

A) 50 mOsm/kg, decreases, 1200 mOsm/kg
B) 1200 mOsm/kg, increases, 50 mOsm/kg
C) 1200 mOsm/kg, decreases, 1200 mOsm/kg
D) 50 mOsm/kg, increases, 1200 mOsm/kg