A nurse is caring for a client who has undergone nephrectomy. Which interventions performed by the nurse require an order from another health care professional? Select all that apply.
1) Getting an X-ray of the chest to rule out pulmonary complications
2) Administering an antibiotic to prevent infection
3) Starting an intravenous infusion of normal saline
4) Instructing the client to splint the incision when coughing
5) Instructing the client about the side-effects of the medication