After Reviewing a Client's Medication List and Seeing an Order $\alpha$

After reviewing a client's medication list and seeing an order for an $\alpha$ -adrenergic blocking drug,what would the nurse recall about this type of medication?

A) It stimulates normal neural or hormonal activity
B) It inhibits $\alpha$ receptors in vascular smooth vessels
C) It inhibits vasospasms and leads to vasodilation
D) It is used exclusively for the treatment of hypotension