You are dispatched for a patient with an unknown medical problem at a dialysis center. When you arrive, you are directed to a patient who is sitting in a chair, with a dialysis technician holding a dressing on his arm very tight. You can see blood seeping through the dressing and on the hands of the technician. Given this limited information, what is likely the problem?

A) The patient fell and has an open fracture to his arm
B) The dialysis graft is bleeding
C) The patient has a diabetic ulcer that broke open
D) The patient was accidentally cut by a scalpel used by the dialysis technician

B) The dialysis graft is bleeding