Needles,guidewires,sheaths,catheters,and Vascular Closure Devices Are Several Specialty Items Used for IR

Multiple Choice

Needles,guidewires,sheaths,catheters,and vascular closure devices are several specialty items used for IR procedures.A sheath is commonly inserted at the arterial or venous puncture site.What is the function of the sheath?

A) To protect the puncture site and vessel from damage
B) To dilate the vessel and prevent backflow
C) To prevent thromboembolism development
D) To hold the guidewire and catheter in place