CST Surgical Instrumentation & Equipment 5

Question 1

During a craniotomy, which powered instrument is used to cut through the skull?

Accepted Answer

Craniotome (pneumatic or electric)

Answer

A craniotome (also called a perforator/drill with a craniotome attachment) is used to make burr holes and cut the bone flap during a craniotomy.

Question 2

What is the purpose of a nerve hook during surgery?

Accepted Answer

To gently retract or identify a nerve without damaging it

Answer

A nerve hook is a blunt, curved instrument used to gently identify, separate, and retract delicate nerve structures during dissection.

Question 3

Which instrument would be used to grasp and manipulate the appendix during an appendectomy?

Accepted Answer

Babcock clamp

Answer

The Babcock clamp has atraumatic, fenestrated jaws that grasp hollow or tubular structures such as the appendix or bowel without crushing.

Question 4

Flash sterilization (immediate-use steam sterilization) should be used:

Accepted Answer

Only when no other option exists and the item is needed immediately for an urgent case

Answer

IUSS (flash sterilization) is acceptable only when items are needed urgently and there is no time for standard sterilization; it is not for routine use or implants.

Question 5

What is the proper sequence for passing a sharp instrument such as a loaded scalpel?

Accepted Answer

Use the neutral zone (no-touch technique) to place and retrieve the instrument

Answer

The neutral zone (hands-free technique) requires placing sharps in a designated area rather than hand-to-hand transfer to prevent needlestick injuries.

(CST) Certified Surgical Technician Practice Test

(CST) Certified Surgical Technician Practice Test

CST Surgical Instrumentation & Equipment 5