A Nurse Flushing a Capped, Peripheral Venous Access Device Finds

A nurse flushing a capped, peripheral venous access device finds that the IV does not flush easily. What is the appropriate intervention in this situation?

A) If infiltration or phlebitis is present, apply a sterile dressing to the site.
B) Aspirate and attempt to flush the line again.
C) If resistance remains after aspirating and flushing, forcefully flush the line.
D) If catheter has pulled out a short distance, push back in and flush line again.