SUTURES AND CLOSURE TECHNIQUES Exam Questions With 100% Correct Answer

What is a suture?



Ans: Any strand of material used to ligate blood vessels or to approximate tissues



Quiz How are sutures sized?



Ans: By diameter; stated as a number of O's: the higher the number of O's, the
smaller the diameter (e.g., 2-O suture has a larger diameter than 5-O suture)



Quiz Which is thicker, 1-O suture or 3-O suture?



Ans: 1-O suture (pronounced "one oh")



Quiz What are the two most basic suture types?



Ans: Absorbable and nonabsorbable

, Quiz What is an absorbable suture?



Ans: Suture that is completely broken down by the body (dissolving suture)



Quiz What is a nonabsorbable suture?



Ans: Suture is not broken down (permanent suture)



Quiz What are "catgut" sutures made of?



Ans: Purified collagen fibers from the intestines of healthy cows or sheep (sorry,
no cats)



Quiz What are the two types of gut sutures?



Ans: Plain and chromic



Quiz What is the difference between plain and chromic gut?



Ans: Chromic gut is treated with chromium salts (chromium trioxide), which
results in more collagen crosslinks, making the suture more resistant to
breakdown by the body