Surgical Instruments and Their Functions

The video tutorial provides an overview of essential surgical instruments that surgical technology students need to learn. It covers various tools such as electrosurgical units, harmonic scalpels, clamps, scissors, scalpels, forceps, towel clamps, retractors, suction tips, and needle holders. Each instrument's function and application in surgery are briefly explained, emphasizing their importance in different surgical procedures. The tutorial aims to familiarize students with these basic instruments, aiding their understanding and memorization.

What is the primary function of the electrosurgical unit in surgery?

• To provide mechanical support

• To deliver a jolt of electricity for cutting or coagulating tissue

• To monitor the patient's vital signs

• To sterilize surgical instruments

How does a harmonic scalpel differ from an electrosurgical unit?

• It is used for suturing

• It uses ultrasonic vibrations instead of electricity

• It is used for monitoring heart rate

• It is a type of clamp

Which clamp is known for its small size and is often used for delicate sutures?

• Peen Clamp

• Mosquito Clamp

• Kelly Clamp

• Schnit Clamp

What is the main difference between a Kelly clamp and a cryo clamp?

• Cryo clamp is disposable

• Kelly clamp is used for suturing

• Cryo clamp is used for cutting

• Kelly clamp is larger and has serrations only halfway down

Why are curved Mayo scissors preferred for cutting tissue during surgery?

• They are easier to sterilize

• They are more durable

• They allow better visibility past the hand

• They are cheaper

Which scalpel handle is designed to hold larger blades?

• Number 3

• Number 4

• Number 7

• Number 10

What distinguishes a tissue forcep from a dressing forcep?

• Dressing forcep is used for cutting

• Dressing forcep has a rat tooth

• Tissue forcep has teeth for gripping tissue

• Tissue forcep has a plain tip

What is the purpose of a back house towel clamp?

• To measure incision depth

• To clamp towels together during draping

• To cut tissue

• To hold surgical instruments

Which retractor is self-retaining and can hold itself open?

• Goulet Retractor

• Wheat Lander Retractor

• Parker Retractor

• Army Navy Retractor

What is the primary use of a needle holder in surgery?

• To clamp blood vessels

• To retract skin

• To hold suture needles

• To cut tissue