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HAIR REMOVAL EXAM QUESTIONS & ANSWERS
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HAIR REMOVAL EXAM QUESTIONS & ANSWERS
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HAIR REMOVAL EXAM QUESTIONS & ANSWERSWhat is the first rule of laser/ gun safety? - Answers-Keep your finger off the trigger
What is PFE? Define: - Answers-Perifollicular Edema; little pink goosebumps
What does the acronym LASER stand for? - Answers-Light Amplification by the
Stimulated Emission of Radiation
When is it okay to do LHR for a client who has been treated with accutane? - Answers-
6-12 months after the series is completed
List 5 aftercare instructions you would give to a client: - Answers--avoid sun exposure
-no hair removal methods for 48-72 hours post treatment
-no excessive sweating/ working out for 48 hours -no exfoliation for 48-72 hours -no hot
baths/ showers for 24-48 hours -avoid other treatments to the area for 1 week
What skin reactions are considered normal after a laser treatment? - Answers--PFE -
itchiness -redness -sensitivity
List the 5 main steps involved in the day-to-day maintenance of a laser: - Answers--
lasers should be free of dust/debris -clean windows,gauges,goggles -check water
reservoir -room stocked -temp controlled
The laser safety officer determines treatment settings for each client? True or False -
Answers-False
What is pulse delay? - Answers-a break for the skin's tissue to cool down allowing for
TRT
How many categories are on the Fitzpatrick scale? - Answers-6
The wavelengths are the nanometers for the YAG laser and the Alexandrite laser: -
Answers-YAG= 1064nm
Alexandrite= 755nm
What Fitzpatricks will typically have poor results on the Alexandrite? - Answers-4-6
What must laser goggles show? - Answers--OD (optical density)
-the wavelengths that the eyewear protects
Which Fitzpatrick scores should generally be put on the Alexandrite laser? - Answers-1-
3
List the three phases of hair growth: - Answers-1.Anagen 2.Catagen 3.Telogen
, Anagen is the most effective for laser removal of hair? True or False - Answers-True
Who is required to wear safety glasses in the NHZ? - Answers-EVERYONE
What client should you refuse to give LHR to until a few days have passed? - Answers-
A client taking photosensitive medications
What are the wavelengths in nanometers for the visible light spectrum? - Answers-
400nm-700nm
Lengthening the ______ will decrease the intensity, possibly rendering the treatment
ineffective. - Answers-pulse width
All lasers are monochromatic, collimated, and coherent? True or False - Answers-True
The unit of measurement for the spot size is ? Fluence is? and Pulse width/ duration/
delay is?.. - Answers--spot size= mm
-Fluence= joules
-Pulse width/ duration/ delay= ms
Typically how long should a client wait between LHR treatments? - Answers-4-6 weeks
Gentle exfoliation after laser hair removal helps prevent ___________ and the shed of
hair from the follicle. - Answers-ingrown hairs
5 is the class for laser hair removal. True or False - Answers-False
What does NHZ stand for? Define: - Answers-Nominal Hazard Zone; the space the
laser is being used in
Using light to generate heat to destroy a selected target is known as? - Answers-
Selective photothermolysis
What does TRT stand for? Define: - Answers-Thermal Relaxation Time; the time is
takes for the skin to reduce its temp by 50%
Does hair have a longer or shorter TRT than skin? - Answers-Longer
Blinking during a laser treatment can protect the eyes from the laser beam? True or
False - Answers-False
Wavelength and _______ determine the depth of penetration of a light pulse. - Answers-
Spot size
Name three factors when deciding settings for a client: - Answers--color of hair
-color of skin
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