A nurse is caring for a child who is postoperative following a tonsillectomy. Which of the following findings indicates that the child may be experiencing hemorrhage?

A. Frequent swallowing can indicate bleeding post-tonsillectomy, as the child may be swallowing blood from the surgical site. B. Increased drowsiness is common following surgery, but it is not typically associated with hemorrhage. C. Elevated pain levels are expected after tonsillectomy and do not necessarily indicate hemorrhage. D. Diminished breath sounds are not typically associated with hemorrhage but may indicate a respiratory issue.