CST Suture & Staple Materials 3

Question 1

Which suture is contraindicated in infected wounds due to its multifilament braided structure?

Accepted Answer

Silk

Answer

Silk's braided multifilament structure can harbor bacteria, making it contraindicated in infected or contaminated wounds.

Question 2

A circular stapler (EEA) is used primarily for which type of anastomosis?

Accepted Answer

End-to-end bowel anastomosis

Answer

The end-to-end anastomosis (EEA) circular stapler creates a circumferential staple line for bowel-to-bowel reconnection.

Question 3

What is the absorption mechanism of synthetic absorbable sutures like Vicryl?

Accepted Answer

Hydrolysis

Answer

Synthetic absorbable sutures like Vicryl are absorbed by hydrolysis, where water breaks the polymer chains.

Question 4

Which needle body shape is best suited for suturing in deep, confined cavities?

Accepted Answer

5/8 circle

Answer

A 5/8 circle needle requires less wrist rotation, making it ideal for deep, confined spaces like the pelvis or bladder.

Question 5

The TA (thoracoabdominal) stapler applies staples in what configuration?

Accepted Answer

Double staggered rows

Answer

The TA stapler applies two staggered rows of staples simultaneously to ensure a secure, hemostatic closure.

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