The Nurse Is Preparing to Administer Adenosine (Adenocard)to a Patient

The nurse is preparing to administer adenosine (Adenocard) to a patient who is experiencing an acute episode of paroxysmal supraventricular tachycardia.When giving this medication,which is important to remember?

A) The onset of action occurs in 5 minutes.
B) The medication must be given as a slow intravenous (IV) push.
C) Asystole may occur for a few seconds after administration.
D) The medication has a long half-life,and therefore duration of action is very long.