Thrombus Formation Often Depends on the Size of a Catheter's

Multiple Choice

Thrombus formation often depends on the size of a catheter's outer diameter,with respect to the vessel's inner diameter and indwelling time.Select the best practice to prevent thrombus formation.

A) Instill heparinized saline through a high-speed injector.
B) Use heparinized normal saline in pressure bags and a flush line.
C) Instill thrombolytic drugs at first signs of a fresh clot.
D) Flush the catheter frequently through a high-volume pump.