The Nurse Is Developing a Plan of Care for a 7-Year-Old

The nurse is developing a plan of care for a 7-year-old boy with diabetes insipidus. Which of the following would the nurse most likely identify as the priority nursing diagnosis?

A) Deficient fluid volume related to dehydration
B) Excess fluid volume related to edema
C) Deficient knowledge related to fluid intake regimen
D) Imbalanced nutrition, more than body requirements related to excess weight