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LASER > Junior Laser pre test > Flashcards

Junior Laser pre test Flashcards

1
Q

What ter 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 on of the common chomophores in the body ?

A

lymph

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6
Q

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

A

collection

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7
Q

What type of surface poses the greatest potential saftey 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 ter refers tot he energy of a pulsed laser beam ?

A

fluence

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11
Q

Thermal relaxation time is tha amount 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 tisssue 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 health care facility ?

A

health 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 to 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 treatment

21
Q

What is not on the of the administrative practices mandated by 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 photoaging or acne scarring

A

20 percent

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 laer 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 the quality of intense pulse light (IPL)

A

polychromatic

31
Q

when should double and triple pulses by 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

LASER (1 decks)

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