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NBSTSA Review > CRQ Lasers > Flashcards

CRQ Lasers Flashcards

1
Q

On the surface of the Earth, what causes objects to accelerate downward?

A) Energy

B) Excitation

C) Gravity

D) Electrical charges

A

C) Gravity

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2
Q

Laser used for Skin resurfacing where the epidermis and a portion or the dermis is removed to reduce facial lines and wrinkles:

A) CO2

B) Argon

C) ND:Yag

D) Excimer

A

A) CO2

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3
Q

All of the following are true of lasers EXCEPT

A) Laser is an acronym for light amplification by stimulated emission of radiation

B) electricity does pass through the patient during laser surgery

C) laser surgery uses intensely hot, precisely focused beams of light to cut and coagulate tissue

D) electricity does not pass through the patient during laser surgery

A

B) electricity does pass through the patient during laser surgery

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4
Q

Laser that has a green light and is well suited for microscopic surgery. Used in ENT, GYN, General and Dermatological procedures.Light can be delivered through a fiber, scanner, or microscope.

A) KTP

B) Argon

C) CO2

D) Holmium: YAG

A

A) KTP

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5
Q

What laser has the most power output?

A) Liquid

B) Semiconductor

C) Gas

D) Solid State

A

D) Solid State

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6
Q

Called a Laser Head, it contains the lasing medium and mirrors needed to amplify light waves of the laser.

A) Excitation source

B) optical resonator

C) control panel

D) delivery system

A

B) optical resonator

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7
Q

Laser used in ophthamology surgery such as retinal tears, glaucoma, macular degeneration, retinopathy, and retinal vein occlusion and dermatological procedures to remove pigmented lesions.

A) CO2

B) Argon

C) Holmium Yag

D) Excimer

A

B) Argon

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8
Q

What scientist, expanding Hooke’s wave theory, theorized that light can bend because it is a wave?

A) Ohm

B) Einstein

C) Newton

D) Young

A

C) Newton

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9
Q

The fourth force found only in nature, and not in the nucleus, is known as

A) electromagnetic force

B) gravitational force

C) binding energy

D) kinetic energy

A

B) gravitational force

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10
Q

Nucleons are composed of subatomic particles known as

A) isotopes

B) quarks

C) protons

D) neutrons

A

B) quarks

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11
Q

Cryoablation uses a high-pressure gas called

A) argon

B) CO2

C) excimer

D) KTP

A

A) argon

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12
Q

Who first identified a collection of particles of light as “ photons”?

A) Einstein

B) Newton

C) Bohr

D) Young

A

A) Einstein

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13
Q

Which laser produces a visible blue-green beam?

A) Eximer (gas laser)

B) YAG

C) Argon laser

D) CO2 laser

A

C) Argon laser

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14
Q

Laser that is used to cut, shave, ablate, and coagulate tissue especially capable of ablating renal and biliary calculi. Used in urological, Orthopedic, ENT, GYN, GI and General surgery.

A) Holmium Yag

B) CO2

C) KTP

D) Argon

A

A) Holmium Yag

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15
Q

Which of the following antiseptics is Not used as a skin prep when using electrosurgery or LASER?

A) povidone iodine

B) hexachlorophene

C) chlorohexidine gluconate

D) isopropyl alcohol

A

D) isopropyl alcohol

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16
Q

Surgery using extremely cold instrument to destroy tissue is called

A) laser surgery

B) phacoemulsification surgery

C) cryosurgery

D) ultrasonic surgery

A

C) cryosurgery

17
Q

All of the following are true of lasers EXCEPT

A) lasers do not need to be locked up when not in use

B) laser warning signs should be visible to areas where laser surgery is being performed

C) A laser safety officer is required to manage laser risks and define saftey protocol

D) only flame retardant drapes are used in laser surgery

A

A) lasers do not need to be locked up when not in use

18
Q

Collimated laser light is light in which the waves are:

A) triangulated

B) parallel

C) Coherent

D) Continuous

A

B) parallel

19
Q

Laser that is not effective through clear fluids

A) CO2

B) Argon

C) Holmium YAG

D) Krypton

A

A) CO2

20
Q

What is the medium or elements activated to transmit photons in a laser beam?

A) Gas

B) Solid

C) Liquid dye

D) All of the above

A

D) All of the above

21
Q

Laser that is invisible to the human eye and requires a helium-neon laser beam that produces a red light to make it visible. It is used in a wide variety of surgeries including microsurgery.

A) Holmium Yag

B) Argon

C) CO2

D) KTP

A

C) CO2

22
Q

Laser that produces a cool beam through fiberoptic bundles. It is extremely precise and commonly used in ophthalmic procedures and dermatology.

A) Argon

B) CO2

C) Holmium YAG

D) Excimer

A

D) Excimer

23
Q

When entering a room while the laser is in use, you must

A) wear a lead apron

B) wear protective eyewear

C) no special precautions are necessary

D) wear a special mask

A

B) wear protective eyewear

24
Q

Laser created from a solid crystal or neodymium, yttrium, aluminum, and garnet and has the greatest ability to coagulate blood vessels

A) ND:YAG

B) KTO

C) Argon

D) CO2

A

A) ND:YAG

25
Q

All of the following are safety precautions when using a LASER except:

A) use of special endotracheal tubes when performing oral LASER procedures

B) use of moistened drapes around target tissue

C) use of reflective metal instruments

D) wearing of special LASER eyewear by the surgical team

A

C) use of reflective metal instruments

26
Q

Which of the following are not a source of ionizing radiation?

A) radioactive elements

B) x-rays

C) flouroscopy

D) lasers

A

D) lasers

27
Q

The following equipment must be available during a laser laryngoscopy:

A) water and wet cottonoids

B) tracheotomy tray,wet towels

C) bronchoscope, tracheotomy tray

D) None of the above

A

A) water and wet cottonoids

28
Q

Laser beam where all waves have exactly the same wavelength and are one color

A) monochromatic

B) Parallel

C) Coherent

D) collimated

A

A) monochromatic

29
Q

Endo tracheal tubes and other anesthetic equipment can easily ignite in the presence of laser energy and

A) silastic endotracheal tubing

B) O2-rich anesthetic agents

C) pacemakers

D) defibrillators

A

B) O2-rich anesthetic agents

30
Q

Laser waves that are lined up so that their peaks and troughs are in exactly the same location

A) Coherant

B) Monochromatic

C) Parallel

D) Collimated

A

A) Coherant

31
Q

All waves in the laser are monochromatic. This refers to

A) all waves in the laser have the same length and are one color

B) all waves move in columns

C) the diameter of the beam is the same

D) they use the same power settings

A

A) all waves in the laser have the same length and are one color

32
Q

The longer wavelengths of the color spectrum are seen in what color?

A) Violet

B) Green

C) Blue

D) Red

A

D) Red

33
Q

A moist sponge is placed in the rectum during a LASER procedure of the perineum or anus to:

A) prevent seepage of fecal material

B) prevent the escape of methane gas

C) keep bacteria out of the field

D) decrease bad odors

A

B) prevent the escape of methane gas

34
Q

The bending of a light ray as it passes from one substance to another is called

A) reflection

B) refraction

C) vibration

D) incidence

A

B) refraction

NBSTSA Review (29 decks)

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