Which statement by the patient’s spouse indicates an understanding of the teaching about bipolar disorder?

The patient who recently lost her young child to acute lymphoblastic leukemia (ALL) tells the nurse that she is having trouble handling the grief and feels like she is to blame for her child’s death. Which response by the nurse is most appropriate? 

A nurse is taking care of a patient on continuous heparin sodium by IV at 1500 units per hour. Pharmacy dispenses the IV bags of 500 mL D5W with 15,000 units of heparin sodium. At which rate does the nurse set the infusion pump for this patient?