Which of the Following Instructions Is the Most Important Discharge

Which of the following instructions is the most important discharge teaching for the caregivers of a child who is postoperative from a tonsillectomy?

A) The pain medication must be given in amounts sufficient to permit the child to swallow and take nourishment without any difficulty.
B) Between 4 and 10 days postoperatively, a membrane that formed over the surgical site may hemorrhage and require immediate medical attention.
C) Limit the child's activity, and include several rest periods during the day.
D) The child must be encouraged to drink at least 8 glasses of fluid a day and eat sufficient calories to maintain or gain weight.