Laser Study Guide Flashcards

1
Q

What term refers to the vaporization, cutting, or removal of a portion of the epidermis and/or dermis?

A

Ablation

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2
Q

What do photons do?

A

Travel at the speed of light in the form of a wave

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3
Q

What term refers to light energy that is “in phase”?

A

Coherent light

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4
Q

What aspect of a laser determines the type of chromophore with which the light will react?

A

Color

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5
Q

What is NOT one of the common chromophores in the body?

A

Lymph

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6
Q

What is NOT one of the four tissue effects of lasers?

A

Collection

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7
Q

What type of surface poses the greatest potential safety hazard when using lasers?

A

Flat and smooth

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8
Q

What is the most commonly-reported hazard for those working with laser devices?

A

Eye injuries

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9
Q

What are lasers usually named in reference to?

A

Their medium

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10
Q

What term refers to the energy of a pulsed laser beam?

A

Fluence

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11
Q

Thermal relaxtion time is the amout of time necessary for a chromophore to lose ___ percent of the heat produced by the laser.

A

More than 50

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12
Q

What unit of measurement is used to measure energy fluence in pulsed lasers?

A

Joule

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13
Q

What term refers to the rate of energy being delivered to tissue by a laser light source?

A

Power density

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14
Q

What body determines who can use a specific type of radiation emitting electronic device?

A

State regulatory agency

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15
Q

What term is used to refer to the entire laser apparatus used in a health care facility?

A

Healt Care Laser System (HCLS)

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16
Q

What statement about the door to the laser room is correct?

A

It should be closed but unlocked whenever the laser is in use

17
Q

What effect can the lens in the eye have on a laser’s energy?

A

Magnify its intensity by as much as 100,000 times

18
Q

Most laser eyewear has an optical density level of ___ for visible and infrared wavelengths of light.

A

4-8

19
Q

What statement about operating laser equipment is correct?

A

You should document all problems with the device in your service records.

20
Q

What should clients do during laser treatments to help prevent a fire?

A

Refrain from placing anything between the laser device and area of treament.

21
Q

What is NOT one of the administrative practices mandated by American National Standards Institute (ANSI)?

A

Conducting monthly competency skills checks of the laser-trained staff

22
Q

What happens to cells when they undergo a photothermal tissue reaction?

A

They are destroyed

23
Q

What is NOT one of the purposes for which CO2 and Er:YAG lasers were traditionally used?

A

Hair removal

24
Q

What is the average surface coverage per treatment when using a Fraxel laser to treat photo-aging or acne scarring?

A

20%

25
Q

What is one of the main factors to consider when determining whether photomechanical laser therapy is appropriate for a client?

A

Client’s tendency for wound healing

26
Q

What are Q-switched lasers commonly used for?

A

Treating pigmented lesions

27
Q

What is a diode laser with a wavelength of 800 nm used for?

A

Hair removal

28
Q

What type of laser is commonly used to treat vascular and pigmented lesions?

A

Pulsed Dye

29
Q

What are Alexandrite Q-switched lasers commonly used for?

A

Tattoo removal

30
Q

What is a quality of intense pulsed light (IPL)?

A

Polychromatic

31
Q

When should double and triple pulses be used when using IPL?

A

When treating pigmented lesions

32
Q

What is NOT a method of skin cooling used with IPL?

A

Submerging the treatment area in water during treatment

33
Q

What term refers to a current that flows on a path of least resistance between positive and negative electrodes placed at opposite ends?

A

Bipolar radiofrequency

34
Q

What type of LED is used for treating hyperpigmentation?

A

Green, 525 nm +/- 10 nm

35
Q

What is NOT a benefit of LED rejuvenation?

A

Stimulation of hair follicles

36
Q
A