When the Nurse Is Caring for a Patient in Cardiogenic

When the nurse is caring for a patient in cardiogenic shock who is receiving dobutamine (Dobutrex) and nitroglycerin (Tridil) infusions, the best evidence that the medications are effective is that the

A) systolic BP increases to greater than 100 mm Hg.
B) cardiac monitor shows sinus rhythm at 96 beats/min.
C) PAWP drops to normal range.
D) troponin and creatine kinase levels decrease.