All of the following statements about adenosine are true except

Refer kDT 7/e p 576 Adenosine is a purine nucleoside base, most commonly recognized with the moleculeadenosine triphosphate, or ATP, and is used thoroughly throughout the entire body in general metabolism. Adenosine's use as a pharmacological drug works through receptors called purinergic adenosine receptors found throughout the body Method of administration Adenosine should be administeredby rapid intravenous (IV) bolus injection into a vein or into an IV line. If given into an IV line it should be injected through as proximally as possible, and followed by a rapid saline flush.