A phlebotomist was having trouble finding a vein on a hospitalized patient, even after leaving the tourniquet on for a couple of minutes, and dangling the patient's arm off the side of the bed. The phlebotomist decided to warm the site and try again later. Which step was inappropriate?

A. Trying again at a later time
B. Leaving the tourniquet on too long
C. Dangling the patient's arm
D. Warming the site

Answer: B