With what procedural objective is the Root Operation Occlusion used?
A) rerouting a tubular Body Part or orifice
B) narrowing an orifice or a lumen
C) closing off a tubular Body Part or orifice
D) expanding an orifice or a lumen
Question 2
Which Restriction method narrows a vessel from the outside?
A) extraluminal
B) ligation
C) intraluminal
D) dilation