The nurse is completing discharge education with the parents of a child with congenital heart disease. Which statement by the mother indicates a need for further teaching?

The 51-year-old male with major depressive disorder is ordered to receive trazodone 25 mg PO at bedtime. The nurse instructs the patient about which primary indication of trazodone for this patient? 

The patient is verbally aggressive with a nurse and threatens physical violence unless he is given an IV dose of hydromorphone (Dilaudid). Which initial action by the nurse is appropriate?