Which is the most appropriate goal for a patient with the nursing diagnosis of Deficient Fluid Volume?

A) Electrolyte balance restored,as evidenced by improved levels of alertness and cognitive orientation
B) Electrolyte balance restored,as evidenced by sodium returning to normal range
C) Patient demonstrates effective coughing and deep-breathing techniques.
D) Maintains fluid balance,as evidenced by moist mucous membranes and urinating every 4 hours

Deficient Fluid Volume indicates the patient is dehydrated and needs to maintain fluid balance. Option D is the most appropriate because it identifies maintaining fluid balance as the goal and provides evidence to determine whether the goal has been achieved. Moist mucous membranes and urinating every 4 hours are signs that the patient is adequately hydrated. Options A and B are incorrect because they focus on restoring electrolyte balance rather than fluid balance. Option C is not relevant to the nursing diagnosis of Deficient Fluid Volume.