Certified Surgical Technologist Surgical Instrumentation and Equipment 3 — Questions and Answers
Question 1: Which instrument would be used to remove a bone plug during an orthopedic procedure?
- Curette
- Osteotome
- Rongeur (Correct answer)
- Periosteal elevator
Correct answer: Rongeur
A rongeur is a heavy-duty instrument with a sharp-edged cup that bites away and removes bone in small pieces.
Question 2: The correct term for the instrument used to dilate the urethra during urological procedures is:
- Van Buren sound (Correct answer)
- Hegar dilator
- Pratt dilator
- Goodell dilator
Correct answer: Van Buren sound
Van Buren sounds are specifically designed for urethral dilation and are curved metal instruments used in urological procedures.
Question 3: During a craniotomy, which instrument is used to elevate the bone flap?
- Leksell rongeur
- Gigli saw
- Craniotome (perforator) (Correct answer)
- Penfield dissector
Correct answer: Craniotome (perforator)
A craniotome (perforator) drills burr holes in the skull, which are then connected to allow the bone flap to be elevated during craniotomy.
Question 4: Which clamp is used specifically to occlude the aorta during cardiac surgery?
- DeBakey aortic clamp (Correct answer)
- Satinsky clamp
- Bulldog clamp
- Cooley clamp
Correct answer: DeBakey aortic clamp
DeBakey aortic clamps are large vascular clamps designed to safely occlude the aorta during cardiac and major vascular procedures.
Question 5: The purpose of a 'cold light' fiber-optic light source in endoscopy is to:
- Sterilize the endoscope during use
- Illuminate the surgical field without generating heat at the tip (Correct answer)
- Monitor temperature inside the body cavity
- Power the insufflation system
Correct answer: Illuminate the surgical field without generating heat at the tip
Fiber-optic 'cold light' sources transmit light to the endoscope tip without conducting heat, preventing tissue burns inside body cavities.
Question 6: Which instrument is used to cut through the sternum during a median sternotomy?
- Lebsche sternal knife (Correct answer)
- Stryker saw
- Oscillating saw
- Sternal saw (Satterlee)
Correct answer: Lebsche sternal knife
The Lebsche sternal knife, used with a mallet, is specifically designed to split the sternum longitudinally during median sternotomy.
Question 7: A needle holder with scissors incorporated into the jaws is known as a:
- Mayo-Hegar needle holder
- Webster needle holder
- Olsen-Hegar needle holder (Correct answer)
- Castroviejo needle holder
Correct answer: Olsen-Hegar needle holder
The Olsen-Hegar needle holder has scissors built into the jaws, allowing the surgeon to suture and cut in one instrument without switching tools.
Which instrument would be used to remove a bone plug during an orthopedic procedure?