Aclient is admitted to the coronary care unit complaining of "viselike" chest pain radiating to the neck. assessment reveals a blood pressure of 124/64 mm hg, an irregular apical pulse of 64 beats per minute, and diaphoresis. cardiac monitoring is instituted, and morphine sulfate 4 mg intravenous (iv) push stat is prescribed. what is the priority nursing care for this client?
a. relief of pain
b. client teaching
c. cardiac monitoring
d. maintenance of bed rest