CST Wound Closure & Healing 4

Question 1

Which suture gauge is the LARGEST in diameter?

Accepted Answer

2 (size 2)

Answer

In the USP suture sizing system, higher numbers above zero (e.g., 2, 3) indicate larger diameter sutures, while higher numbers below zero (e.g., 4-0) indicate smaller diameters.

Question 2

A surgeon requests a 'pop-off' needle. What is the advantage of this type of suture?

Accepted Answer

The needle detaches from the suture with a sharp tug for faster interrupted suturing

Answer

Pop-off (controlled release) needles are designed to detach from the suture strand with a sharp tug, allowing rapid placement of multiple interrupted sutures.

Question 3

What is the BEST description of tertiary intention wound healing (delayed primary closure)?

Accepted Answer

Wound left open initially, then surgically closed after infection risk decreases

Answer

Tertiary intention (delayed primary closure) involves leaving a contaminated wound open for several days to allow infection to resolve before surgical closure.

Question 4

Which topical hemostatic agent is derived from oxidized regenerated cellulose and works by providing a physical matrix for clot formation?

Accepted Answer

Surgicel

Answer

Surgicel (oxidized regenerated cellulose) is an absorbable hemostatic fabric that provides a physical scaffold for platelet aggregation and clot formation.

Question 5

The scrub technologist should prepare suture for the surgeon by:

Accepted Answer

Organizing suture by type and size according to the surgeon's preference card

Answer

The scrub technologist organizes sutures according to the surgeon's preference card to ensure the correct materials are available in the proper order.

(CST) Certified Surgical Technician Practice Test

(CST) Certified Surgical Technician Practice Test

CST Wound Closure & Healing 4