A Patient Hospitalized in an Acute Care Setting Reports to the Nurse

A patient hospitalized in an acute care setting reports to the nurse that since starting on an adrenergic medication,he has been feeling "dizzy and weak." The most appropriate action for the nurse is to:

A) immediately notify the physician.
B) teach the patient to move slowly from standing to sitting.
C) discontinue the adrenergic blocker.
D) monitor the blood pressure in both the supine and standing positions.