A Client Overhears the Physician Use the Term "Legend Drug

A client overhears the physician use the term "legend drug" when discussing his medication regimen with a pharmacist on the telephone.When the client asks the nurse what this means,the appropriate response by the nurse is that this drug

A) can be dispensed over the counter.
B) has a registered trademark.
C) is the same as a generic drug.
D) requires a legal order before it can be dispensed.