The client is 2 days post–gastric bypass surgery and is complaining of nausea. The nurse is preparing to administer promethazine (Phenergan) 12.5 mg intravenous push. The client has a peripheral IV...

The client is 2 days post–gastric bypass surgery and is complaining of nausea. The nurse is preparing to administer promethazine (Phenergan) 12.5 mg intravenous push. The client has a peripheral IV line infusing normal saline at 100 mL/hour. Which interventions should the nurse implement? Select all that apply.

1. Flush the peripheral IV prior to administering mediation.

2. Administer the Phenergan undiluted via the port closest to client.

3. Start a saline lock in the other arm to administer Phenergan.

4. Dilute the Phenergan with 9 mL normal saline.

5. Administer the intravenous medication slowly.