In Addition to Applying Direct Pressure to the Puncture Site

In addition to applying direct pressure to the puncture site immediately after the arterial puncture procedure,what can the therapist do to minimize the risk of hematoma formation in a patient who requires frequent radial arterial punctures?

A) Have the patient maintain the arm in an elevated position for a couple of hours after the radial puncture.
B) Have the patient shake the arm periodically throughout the day.
C) Alternate arms used for arterial puncture and use other sites as well.
D) Apply a bandage to the puncture site.