Laser Hair Removal Exam Questions Verified Solutions New Update (A+ Pass)
What are the layers of the skin? - Answers - Epidermis - strat corneum, lucidum, granulosum, spinosum, germinativum
Dermis
Hypodermis
What are the 2 classifications of hair? - Answers - Vellus & terminal hairs
What...
Laser Hair Removal Exam
Questions Verified Solutions New
Update (A+ Pass)
What are the layers of the skin? - Answers -✔✔ Epidermis - strat corneum, lucidum,
granulosum, spinosum, germinativum
Dermis
Hypodermis
What are the 2 classifications of hair? - Answers -✔✔ Vellus & terminal hairs
What should the pulse duration & fluence be for Fitzpatrick skin types 1,2,3? - Answers
-✔✔ Shorter pulse duration
Higher fluence
What are the normal systemic changes? - Answers -✔✔ Puberty, pregnancy,
menopause
What are the factors that stimulate hair growth? - Answers -✔✔ Increased blood supply
to area - accelerates
Hormone stimulation - accelerates & initiates
What is the chromophore for Laser Hair Removal? - Answers -✔✔ Melanin
What are the 4 medical Laser Wavelengths - Answers -✔✔ Ruby: 694 nm
Alexandrite: 755nm
Diode: 800-810 nm
Nd:YAG: 1064 nm
What are the phases of hair growth? - Answers -✔✔ anagen, catagen, telogen
Describe the anagen phase of hair growth - Answers -✔✔ Active hair growth is
occurring. Follicle is growing and reaches max depth with a visible terminal hair of the
skins surface. The hair shaft bulb is dark or black pigmented and moist.
describe the catagen phase of hair growth? - Answers -✔✔ Transitional phase of the
hair cycle lasting a few days to weeks. Approx only 1-2% of hairs. Hair follicle separates
from papilla and shortens 1/3 its former length. The hair shaft bulb is lighter or brown
pigmented and dry
, Describe the telogen phase of hair growth? - Answers -✔✔ Resting phase of the hair
cycle; hair follicles are preparing to restart anagen
At the end of this phase, the hair falls out and a new hair replaces it as anagen starts
back up. Hairs may skip this phase
How is the skin nourished? - Answers -✔✔ Through blood and lymph nodes
What are the 3 types of pigment seen in the skin? - Answers -✔✔ Melanin,
Haemogoblin, carotene
What are hormones and their function in the body? - Answers -✔✔ Chemical
substances that pass from their glands directly into the blood stream. Acting as catalyst
that speed up or slow down the body's metabolic process
Why is shaving recommended in between treatments? - Answers -✔✔ Help maintain
treatment schedule by preventing the removal of the hair by the root ensuring that the
hair follicle is present for LHR
Enhances treatment efficiency shaving leaves hairs intact under the skin allowing for the
laser to target the pigment at the root
Prevents surface burns if the hair is too long it can be heated causing discomfort and
damage
Define hirsutism? - Answers -✔✔ Excessive hair growth in women in locations where
occurrences of terminal hairs are minimal or absent
What is Laser? - Answers -✔✔ light amplification by stimulated emission of radiation.
Monochromatic, Coherent, Focused
Laser is a direct beam of energy, light being energy.
What is IPL? - Answers -✔✔ Intense pulsed light
Polychromatic, incoherent, unfocused
Non laser high intensity light source
What are contradictions to laser? - Answers -✔✔ Eyebrows
Pregnancy
Abnormal growths
tattoos in treatment area
Permanent makeup
Chemical peels/micro
Spider vein removal
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