A Patient Asks the Nurse Why an Intravenous (IV)line Must

A patient asks the nurse why an intravenous (IV) line must be used to receive the antidysrhythmic drug lidocaine (Xylocaine) .What is the nurse's best response?

A) "The drug companies have not developed an oral form of this drug."
B) "This drug can also be given by endotracheal tube in the ICU."
C) "The drug in oral form would be destroyed by the liver making it ineffective."
D) "This drug does not work when given by any other route."