CST Surgical Instruments & Equipment — Questions and Answers
Question 1: What is the function of a needle holder?
- Cut sutures
- Hold gauze
- Secure a suturing needle (Correct answer)
- Clamp blood vessels
Correct answer: Secure a suturing needle
A needle holder is used to securely hold a suturing needle for wound closure.
Question 2: Which instrument is used to retract tissue during surgery?
- Hemostat
- Scalpel
- Retractor (Correct answer)
- Forceps
Correct answer: Retractor
Retractors are designed to hold back tissue or organs to improve visibility and access.
Question 3: What is the main purpose of laparoscopic instruments?
- Deep incision procedures
- Manual ventilation
- Minimally invasive procedures (Correct answer)
- Bone drilling
Correct answer: Minimally invasive procedures
These instruments allow minimally invasive surgery by accessing internal organs through small incisions.
Question 4: What distinguishes scissors used for cutting tissue from those for sutures?
- Color of handles
- Weight of blades
- Design and sharpness of blades (Correct answer)
- Grip padding
Correct answer: Design and sharpness of blades
Tissue scissors are typically more delicate and curved, while suture scissors are blunt and straight.
Question 5: What feature of electrosurgical units aids in minimizing bleeding?
- Mechanical pressure
- Thermal insulation
- Electrical coagulation (Correct answer)
- Ultrasonic vibration
Correct answer: Electrical coagulation
Electrosurgical units coagulate tissue using electrical current to control bleeding during procedures.
Question 6: Which maintenance step is vital for surgical instrument longevity?
- Polishing only
- Drying and cleaning (Correct answer)
- Ultrasound use
- Freezing instruments
Correct answer: Drying and cleaning
Thorough cleaning and drying prevent rust and ensure proper function of surgical instruments.
CST Surgical Instruments & Equipment
What is the function of a needle holder?