The Nurse Assessing a Patient with Vomiting and Diarrhea Observes

The nurse assessing a patient with vomiting and diarrhea observes that the urine is scant and concentrated.The nurse explains that the compensatory reabsorption of water is controlled by:

A) osmoreceptors in the hypothalamus.
B) antidiuretic hormone in the posterior pituitary.
C) baroreceptors in the carotid sinus.
D) insulin from the pancreas.