The Patient Is Receiving Doxazosin (Cardura) for Hypertension

The patient is receiving doxazosin (Cardura) for hypertension. He asks the nurse how the medication works. What is the nurse's best response?

A) "It works by causing your kidneys to excrete more urine."
B) "It works by making your heart work more efficiently."
C) "It works by making your blood vessels expand."
D) "It works by decreasing the release of your stress hormones."