A client in the postpartum unit complains of sudden, sharp chest pain. The client is tachycardic, and the respiratory rate is increased. The health care provider diagnoses a pulmonary embolism. Which actions should the nurse plan to take? Select all that apply.

a) Administer oxygen.
b) Assess the blood pressure.
c) Start an intravenous (IV) line.
d) Prepare to administer morphine sulfate.