15 Energy Sources In Surgery

Question 1

Resistance to the flow of electricity:

A. Impedance
B. Frequency
C. Circuit
D. Current

Answer 1

A. Impedance

Question 2

The cutting mode causes tissue burning with the loss of water content is:

A. Blended mode
B. Cryoablation
C. Desiccation
D. Electrosurgical waveforms

Answer 2

C. Desiccation

Question 3

The _______ provides radio frequency powers and controls for all types of ESU.

A. Generator
B. Duty cycle
C. Desiccation
D. Electrosurgical waveforms

Answer 3

A. Generator

Question 4

Electro surgical vessel sealing uses high frequency, bipolar electrosurgery, low-voltage, and physical pressure to create a weld in tissue. All of the follow are true statements, except

A. The vessel-sealing system is used during resection procedures that traditionally do not require clamping, suturing, and cutting
B. Electro surgical vessel sealing uses a micro processor that controls and programs the system
C. The vessel sealing system provides tissue impedance monitoring.
D. Electrosurgical vessel sealing system has an alarm that automatically stops the current when the tissue seal is achieved

Answer 4

A. The vessel-sealing system is used during resection procedures that traditionally do not require clamping, suturing, and cutting

Question 5

________ is it Pacific burn hazard of monopolar endoscopic surgery occurring when current passes unintentionally through instrument insulation

A. Direct coupling.
B. Capacitive Coupling

Answer 5

B. Capacitive coupling

Question 6

The safety system used an ESU monitoring impedance in the electrodes stopping the current if it’s too high:

A. PAE
B. REM

Answer 6

B. REM.

Question 7

_________ is the flow of electricity from one conductive substance to another

A. Direct coupling
B. Capacitive coupling

Answer 7

A. Direct coupling.

Question 8

The active electrode is the actual contact points at the tissue is contained at the:

A. Tip of the electro surgical unit (ESU) handpiece or “pencil”
B. Grounding plate
C. Generators plug-in
D. Foot pedal

Answer 8

A. Tip of the electro surgical unit (ESU) handpiece or “pencil”

Question 9

The function of the _______ is the capture electrical current from the active electrode and transmit it back to the power unit.

A. Bipolar circuit
B. Bayonet
C. Return electrode
D. Pencil type of handpiece

Answer 9

C. Return electrode

Question 10

In the ____ mode, the electrode is held above the tissue, without contact, and the air between the electrode and tissue acts as a conductor, allowing the high-voltage current to flow between the tissue and the electrode.

A. Blended
B. Cutting
C. Desiccation
D. Microbipolar cutting

Answer 10

B. Cutting

Question 11

procedure, in which a probe is inserted into a tumor or tissue mass. High pressure argon. Gas is injected into the probe, causing the tissues to freeze destroying the tissue.

A. Ultrasound
B. Phacoemulsification
C. Cryoablation
D. Laser

Answer 11

C. Cryoablation

Question 12

When laser light is directed at a surface, which of the following would not occur?

A. Absorption.
B. Coagulation
C. Reflection
D. Scattering

Answer 12

B. Coagulation

Question 13

______ is created when electricity is transformed into mechanical energy generated by high frequency vibrations and the focus on friction.

A. Ultrasound
B. Phacoemulsification
C. Cryoablation
D. Ultrasonic energy

Answer 13

D. Ultrasonic energy

Question 14

______ is preformed by inserting a series of needle probes directly into the tumor under direct fluoroscopic imaging.

A. Ultrasound
B. Phacoemulsification
C. Ablation
D. Cryosurgery

Answer 14

C. Ablation

Question 15

Placement of the patient return electrode is extremely important when placing the grounding pad. Which of the following is incorrect related to the placement of the pad?

A. Place on a muscle
B. Place over a bony permanence
C. Have complete contact with the skin surface
D. Inspect the patient before applying the grounding pad

Answer 15

B. Place over a bony prominence

Question 16

Where is the ESU pencil place during surgery?

A. On top of the patient
B. On top of the drapes
C. Tucked under the neck of the patient
D. In a nonconductive safety holder

Answer 16

D. In a non-conductive safety holder.

Question 17

Forcep style ESU that the circuit flows from the generator through the cable to the tips of the forceps.

A. Monopolar
B. Bipolar
C. Cryosurgery
D. Ultrasound

Answer 17

B bipolar

Question 18

Protective eyewear for laser procedures must:

A. Have a clear lens
B. Bear and inscription on the lens detailing the optical density and label of the specific laser type
C. Have an opening on the sides of the eyes
D. Have a clear amber lens

Answer 18

B. Bear and inscription on the lens detailing the optical density and label of the specific laser type.

Question 19

When a smoke evacuator is used to suction the smoke plume from the surgical site. The tip of the nozzle must be within _____ of the site to be effective.

A. 2 in
B. 4in
C. 6in
D. 1 foot

Answer 19

B. 2in

Question 20

Both laser and ESU plumes contain:

A. Dead and living cells
B. Hydrogen cyanide
C. Formaldehyde and acrolein
D. Biological particles such as cancer cells
E. All of the above

Answer 20

E. All of the above.

Question 21

Laser printers

A. Class 4
B. Class 3b
C. Class 3a
D. Class 2
E. Class 1

Answer 21

E. Class 1

Question 22

Can cause severe eye injury, when viewed directly or by reflection. These lasers do not cause injury when the laserbeam is the fused, and do not normally present a fire hazard.

A. Class 4
B. Class 3b
C. Class 3a
D. Class 2
E. Class 1

Answer 22

B. Class 3b

Question 23

Can cause permanent eye damage if you directly or if you’d indirectly by reflection, may also ignite materials and cost skim Burns. Most surgical lasers are in this category.

A. Class 4
B. Class 3b
C. Class 3a
D. Class 2
E. Class 1

Answer 23

A. Class 4

Question 24

Laser pointers and barcode scanners

A. Class 4
B. Class 3b
C. Class 3a
D. Class 2
E. Class 1

Answer 24

D. Class 2

Question 25

Normally does not cause eye injury if viewed momentarily presents a hazard if viewed with collecting optics (e.g., fiberoptic cable, magnification loupe, or microscope)

A. Class 4
B. Class 3b
C. Class 3a
D. Class 2
E. Class 1

Answer 25

C. Class 3a