Chapter 11 - Surgical instruments Flashcards
What is the primary material of choice for most high-quality surgical instruments?
A) Aluminum B) High-carbon stainless steel C) Titanium D) Plastic
B) High-carbon stainless steel
What is a significant advantage of tungsten carbide (TC) inserts in surgical instruments?
A) They are cheaper than stainless steel B) They are lighter than stainless steel C) They are harder and more wear-resistant D) They are easier to replace
C) They are harder and more wear-resistant
What does the process of passivation accomplish in instrument manufacturing?
A) Increases the weight of the instrument B) Creates a superficial layer of chromium oxide C) Enhances the color of the instruments D) Dulls the cutting edge
B) Creates a superficial layer of chromium oxide
Which blade is most commonly used with the No. 3 scalpel handle?
A) No. 11 blade B) No. 15 blade C) No. 10 blade D) No. 4 blade
C) No. 10 blade
What type of scissors should be used for dense connective tissue?
A) Metzenbaum scissors B) Suture scissors C) Mayo scissors D) Wire-cutting scissors
C) Mayo scissors
Which material is mentioned as a potential problem area due to loosening?
A) Titanium B) Tungsten carbide inserts C) High-carbon stainless steel D) Plastic coatings
B) Tungsten carbide inserts
What characteristic of titanium alloys complicates their manufacturing?
A) High weight B) Brittleness C) Flexibility D) Low cost
B) Brittleness
What surface finish reduces glare on surgical instruments?
A) High gloss B) Dull satin finish C) Polished finish D) Gold electroplating
B) Dull satin finish
Which type of scissors is specifically designed for wire suture removal?
A) Mayo scissors B) Suture-removal scissors C) Wire-cutting scissors D) Bandage scissors
C) Wire-cutting scissors
What is a benefit of using disposable blades on scalpels?
A) They are reusable B) They are always dull C) They are consistently sharp D) They come in multiple colors
C) They are consistently sharp
Which handle designates standard-quality instruments in Sontec Instruments?
A) Gold handles B) Black anodized handles C) Plain handles D) Gold handles with stripes
C) Plain handles
For which procedure is the No. 12 blade commonly used?
A) Stab incisions B) Periosteal stripping C) Suturing D) Debulking
B) Periosteal stripping
Which of the following is true regarding disposable scalpels?
A) They can be sterilized and reused B) They have detachable blades C) They are often used for bandage removal D) They are heavier than reusable scalpels
C) They are often used for bandage removal
What type of cutting edge is typically found on Metzenbaum scissors?
A) Serrated B) Plain C) Curved D) Blunt
B) Plain
What is the primary disadvantage of a reusable scalpel with a fixed blade?
A) It cannot be sterilized B) The blade can detach during use C) It is not suitable for deep tissue work D) It can dull quickly
B) The blade can detach during use
Which finish on surgical instruments is specifically recognized as a symbol of high quality?
A) Polished finish B) Dull satin finish C) Gold electroplating D) Anodized finish
C) Gold electroplating
Why is it important to follow manufacturers’ recommendations for cleaning titanium instruments?
A) To maintain the aesthetic quality B) To avoid corrosion and damage C) To enhance the cutting edge D) To make them lighter
B) To avoid corrosion and damage
What type of tip do Lister bandage scissors have?
A) Sharp-sharp B) Blunt-blunt C) Blunt tip on the lower blade D) Serrated
C) Blunt tip on the lower blade
What type of scissors is designed for sharp or blunt dissection of delicate tissues?
A) Wire-cutting scissors B) Mayo scissors C) Metzenbaum scissors D) Utility scissors
C) Metzenbaum scissors
How does titanium nitride coating benefit surgical instruments?
A) Reduces cost B) Increases weight C) Increases resistance to corrosion and wear D) Increases the blade thickness
C) Increases resistance to corrosion and wear
What happens to the chromium oxide layer on stainless steel instruments as they age?
A) It deteriorates B) It becomes thinner C) It becomes thicker D) It changes color
C) It becomes thicker
What type of finish helps reduce laser reflection on surgical instruments?
A) Polished finish B) Gold electroplating C) Black polymer coating D) Satin finish
C) Black polymer coating
What is the primary purpose of suture scissors?
A) To cut dense tissue B) To cut sutures specifically C) To dissect soft tissues D) To remove bandages
B) To cut sutures specifically
What is the disadvantage of using a left-handed grip on standard scissors?
A) Increased cost B) Increased precision C) Decreased shear and torque D) Increased safety
C) Decreased shear and torque
Which blade is used for stab incisions during arthroscopic surgery?
A) No. 12 blade B) No. 10 blade C) No. 15 blade D) No. 11 blade
D) No. 11 blade
What is a significant risk when using detachable blades in surgery?
A) They are too sharp B) They may detach and be lost C) They cannot be replaced D) They are too expensive
B) They may detach and be lost
Which instrument is best suited for cutting sutures during surgery?
A) Mayo scissors B) Metzenbaum scissors C) Suture scissors D) Wire-cutting scissors
C) Suture scissors
What color handles indicate the sharpest cutting edges available in Sontec Instruments?
A) Plain B) Gold with a stripe C) Black anodized D) Gold
B) Gold with a stripe
What type of edge is common on surgical scissors for delicate tissue dissection?
A) Serrated edge B) Blunt edge C) Sharp edge D) Double edge
C) Sharp edge
Which type of surgical instrument is used for cutting dense connective tissue?
A) Metzenbaum scissors B) Suture scissors C) Mayo scissors D) Bandage scissors
C) Mayo scissors
What should be avoided when using a detachable blade scalpel in deep tissue?
A) Using a dull blade B) Using it in joints C) Using a scalpel with a fixed blade D) Using multiple blades
B) Using it in joints
What does a high carbon content in stainless steel affect?
A) Weight of the instrument B) Elasticity and rigidity C) Color of the instrument D) Cost of production
B) Elasticity and rigidity
Which type of scissors is used for bandage removal without damaging the skin?
A) Mayo scissors B) Suture scissors C) Lister scissors D) Wire-cutting scissors
C) Lister scissors
What is the main function of the Olsen-Hegar needle holders?
A) To cut sutures B) To hold needles securely C) To dissect tissues D) To remove bandages
A) To cut sutures
Which type of finish helps reduce tissue adherence on surgical instruments?
A) Polished finish B) Titanium nitride coating C) Gold electroplating D) Satin finish
A) Polished finish
B) Titanium nitride coating
Which instrument handle is used for larger blades, such as No. 22 to 24?
A) No. 3 handle B) No. 4 handle C) No. 10 handle D) No. 12 handle
B) No. 4 handle
What type of instruments can be classified as disposable yet reusable?
A) Stainless steel scalpels B) Tungsten carbide instruments C) Some human surgical instruments D) Titanium instruments
C) Some human surgical instruments
Which type of scissors is specifically marked for suture cutting during surgery?
A) Mayo scissors B) Metzenbaum scissors C) Suture scissors D) Utility scissors
C) Suture scissors
What is a primary benefit of using titanium alloys for microsurgery?
A) High weight B) Excellent corrosion resistance C) Inexpensive D) Ease of manufacturing
B) Excellent corrosion resistance
What kind of surgical instruments typically use a black polymer coating?
A) Suture scissors B) Instruments used in laser procedures C) Reusable scalpels D) Mayo scissors
B) Instruments used in laser procedures
Which needle holder allows the surgeon to both grasp and cut suture material?
A) Mayo-Hegar B) Olsen-Hegar C) Mathieu D) Adson
B) Olsen-Hegar
What is a primary disadvantage of the Olsen-Hegar needle holder?
A) It is too expensive. B) It cannot hold larger needles. C) It may inadvertently cut the suture material. D) It is difficult to clean.
C) It may inadvertently cut the suture material.
What design feature helps the Mayo-Hegar needle holder grip curved needles?
A) Longitudinal groove B) Crosshatched surfaces C) Pyramidal teeth D) Smooth tips
B) Crosshatched surfaces
Which needle holder is popular in equine surgery and lacks finger holes?
A) Olsen-Hegar B) Mayo-Hegar C) Mathieu D) Brown-Adson
C) Mathieu
What design element can extend the life of a needle holder?
A) Wider jaws B) Tungsten carbide inserts C) Longitudinal grooves D) Light weight
B) Tungsten carbide inserts
Which type of thumb forceps is designed to minimize tissue trauma?
A) Smooth-tipped forceps B) Rat tooth forceps C) Adson forceps D) Tissue forceps
C) Adson forceps
What feature distinguishes traumatic thumb forceps from surgical thumb forceps?
A) Length of the blades B) Presence of serrations or teeth C) Type of material used D) Weight of the instrument
B) Presence of serrations or teeth
Which hemostatic forceps are the smallest and most frequently used?
A) Kelly forceps B) Crile forceps C) Halstead mosquito forceps D) Rochester-Pean forceps
C) Halstead mosquito forceps
The transverse grooves on the inner jaw surface of hemostatic forceps help to:
A) Increase weight B) Facilitate hemostasis C) Enhance purchase on tissue D) Reduce cost
C) Enhance purchase on tissue
What is a defining feature of Rochester-Carmalt forceps?
A) Longitudinal grooves with cross-striations B) Transverse grooves only on the distal half C) Atraumatic design for delicate tissues D) Lightweight construction
A) Longitudinal grooves with cross-striations
What type of forceps is least traumatic to tissues?
A) Allis tissue forceps B) Babcock tissue forceps C) Doyen-DeBakey intestinal forceps D) Kocher forceps
C) Doyen-DeBakey intestinal forceps
What is the main use of sponge forceps?
A) Cutting sutures B) Grasping and swabbing tissues C) Clamping vessels D) Holding needles
B) Grasping and swabbing tissues
How can one identify traumatic thumb forceps?
A) They have smooth tips. B) They have serrated tips. C) They are designed for suturing. D) They are lightweight.
A) They have smooth tips.