How is a graft made?(a) By surgically connecting two arteries(b) By externally connecting two veins(c) By surgically placing a connection between two capillaries(d) By surgically placing a connection between an artery and veinThe question was posed to me in quiz.My doubt is from Intravenous Cannulae, Stomach Wash Tubes, Infusion Pumps v/s Syringe Pumps topic in portion Gastroenterology of Clinical Science

How is a graft made?(a) By surgically connecting two arteries(b) By ex

1.	How is a graft made?(a) By surgically connecting two arteries(b) By externally connecting two veins(c) By surgically placing a connection between two capillaries(d) By surgically placing a connection between an artery and veinThe question was posed to me in quiz.My doubt is from Intravenous Cannulae, Stomach Wash Tubes, Infusion Pumps v/s Syringe Pumps topic in portion Gastroenterology of Clinical Science
Answer» The correct option is (d) By surgically placing a connection between an ARTERY and VEIN For explanation I would say: When a graft is made, an artery and a vein are connected by using an external tube (graft). This allows the blood to flow from higher pressure, i.e. artery, through the graft and then into the LOW pressure area, i.e. vein. The graft is where the needles are used for WITHDRAWAL or injection.

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