DBV30053 Unit 3.2: Electrosurgical Unit

Who first developed the electrosurgical unit?

• Dr. William Bovie

• Dr. Michael Brown

• Dr. John Smith

• Dr. Emily Johnson

Answer explanation

Dr. William Bovie first developed the electrosurgical unit.

What is the purpose of electrosurgical unit in surgery?

• To cut tissue and control bleeding

• To administer anesthesia

• To monitor heart rate

• To take X-rays

Answer explanation

The purpose of an electrosurgical unit in surgery is to cut tissue and control bleeding, making it an essential tool for surgical procedures.

What are the applications of electrosurgical unit?

• Only endoscopic surgery

• Only ophthalmic surgery

• Only dental surgery

• All major surgery, endoscopic surgery, dental surgery

Answer explanation

The applications of an electrosurgical unit include all major surgery, endoscopic surgery, and dental surgery, making it a versatile tool in various medical procedures.

What is the difference between the active and neutral electrodes?

• Active electrode has smaller cross-sectional area, neutral electrode has larger area

• Active electrode has larger area, neutral electrode has smaller area

• Both electrodes have the same area

• There is no difference between the electrodes

Answer explanation

Active electrode has smaller cross-sectional area, neutral electrode has larger area

What is the purpose of the blend current in electrosurgery?

• To cool the tissue

• To provide hemostasis only

• To provide smooth cutting

• To combine cutting and coagulation effects

Answer explanation

The purpose of the blend current in electrosurgery is to combine cutting and coagulation effects.

What is the tissue effect of the coagulation mode?

• Cuts the tissue with little hemostasis

• Creates smooth cutting

• Desiccates the tissue and seals bleeding vessels

• Combines cutting and coagulation effects

Answer explanation

Desiccates the tissue and seals bleeding vessels

What is the purpose of the fulguration mode in electrosurgery?

• To cool the tissue

• To provide smooth cutting

• To cut the tissue with little hemostasis

• To achieve hemostasis quickly over a large area

Answer explanation

To achieve hemostasis quickly over a large area

What is the common type of electrode used in electrosurgery?

• Only balls loops

• Only fine-tipped needles

• Only blade

• Blade, fine-tipped needles, balls loops, hooks

Answer explanation

The common type of electrode used in electrosurgery includes blade, fine-tipped needles, balls loops, and hooks.

What is the purpose of the off time in electrosurgery?

• To allow the tissue to cool creating hemostasis

• To increase the cutting power

• To decrease the coagulation effect

• To stop the current flow

Answer explanation

The purpose of the off time in electrosurgery is to allow the tissue to cool, creating hemostasis.

What are the components found on the front panel of an electrosurgical unit?

• Only controls

• Only power switch

• Only indicators

• Power switch, controls, button for recalling settings, indicators

Answer explanation

The front panel of an electrosurgical unit typically includes a power switch, controls, a button for recalling settings, and indicators.