Laser CLASS APPRENTICE Questions with 100%
Correct Answers
The laser safety officer determines treatment settings for each client? True or False -
✔✔false
What is Pulse Delay: - ✔✔the break period btw laser pulses for the skin to cool down
How many categories are on the Fitzpatrick scale? - ✔✔6
The wavelengths are the nanometers for the YAG laser and the Alexandrite laser? -
✔✔alexandrite= 755 NM
YAG= 1064NM
What Fitzpatricks will typically have poor results on the Alexandrite? - ✔✔darker fitz
4-6
What information must be shown on laser goggles? - ✔✔-optical density (OD)
-wavelength
Which Fitzpatrick scores should generally be put on an Alexandrite laser? - ✔✔type
1-3
List the three phases of hair growth: - ✔✔Anagen
catagen
telogen
, Anagen phase is the most effective for laser removal of hair? True
or False - ✔✔true
Who is required to wear safety glasses in the NHZ? - ✔✔EVERYONE
What client should you refuse to give LHR to until a few days have passed? -
✔✔photosensitivity medication
19.What are the wavelengths in nanometers for the visible light spectrum: - ✔✔400-
700 NM
Lengthening the_____________will decrease the intensity, possibly rendering the
treatment ineffective. - ✔✔pulse width
All lasers are monochromatic, collimated and coherent? True or False - ✔✔true
The unit of measurement for the spot size is_____? Fluence______? Pulse
width/duration/delay_______?milliseconds. - ✔✔spot size= mm
fluence= joules j/cm^2
pulse width= ms
Typically how long should a client wait between LHR treatments? - ✔✔4-6 weeks
Gentle exfoliation after laser hair removal helps prevent___________________and the
shed
Correct Answers
The laser safety officer determines treatment settings for each client? True or False -
✔✔false
What is Pulse Delay: - ✔✔the break period btw laser pulses for the skin to cool down
How many categories are on the Fitzpatrick scale? - ✔✔6
The wavelengths are the nanometers for the YAG laser and the Alexandrite laser? -
✔✔alexandrite= 755 NM
YAG= 1064NM
What Fitzpatricks will typically have poor results on the Alexandrite? - ✔✔darker fitz
4-6
What information must be shown on laser goggles? - ✔✔-optical density (OD)
-wavelength
Which Fitzpatrick scores should generally be put on an Alexandrite laser? - ✔✔type
1-3
List the three phases of hair growth: - ✔✔Anagen
catagen
telogen
, Anagen phase is the most effective for laser removal of hair? True
or False - ✔✔true
Who is required to wear safety glasses in the NHZ? - ✔✔EVERYONE
What client should you refuse to give LHR to until a few days have passed? -
✔✔photosensitivity medication
19.What are the wavelengths in nanometers for the visible light spectrum: - ✔✔400-
700 NM
Lengthening the_____________will decrease the intensity, possibly rendering the
treatment ineffective. - ✔✔pulse width
All lasers are monochromatic, collimated and coherent? True or False - ✔✔true
The unit of measurement for the spot size is_____? Fluence______? Pulse
width/duration/delay_______?milliseconds. - ✔✔spot size= mm
fluence= joules j/cm^2
pulse width= ms
Typically how long should a client wait between LHR treatments? - ✔✔4-6 weeks
Gentle exfoliation after laser hair removal helps prevent___________________and the
shed