The client is having chest pain. The physician orders sublingual nitroglycerine STAT. The nurse obtains the medication from the pharmacy and administers it to the client 30 minutes later. Which statement best describes the nurse's action?

A. The medication should have been admistered immediately.
B. The physician should have specified the time frame for the medication.
C. The medication should have been administered within a 5-minute time frame.
D. The nursing action was correct becase the medication was not on the unit.