Problem:
A frail, confused older age male patient is admitted with dehydration secondary to severe vomiting and diarrhea. The patient is continuously calling for a drink of water even though he is nauseated. The nurse is aware that this patient's constant thirst stems from what underlying cause? Need Online Help? Release of aldosterone by the adrenal cortex. Increased plasma osmolality and decreased plasma volume. Release of aldosterone by the adrenal cortex. Increased blood volume and elevated osmolality.