ELECTROLYSIS STATE EXAM 2026
COMPREHENSIVE STUDY GUIDE COMPLETE
SOLUTIONS VERIFIED
◉ An element has the ability to produce laser when it is in which
state? Answer: Metastable state
◉ What are the positive reactions to the skin indicating a successful
LHR treatment? Answer: Perifollicular erythema, perifollicular
edema
◉ Incandescent light is an example of? Answer: Incoherent light
◉ A requirement for foot switches that directly pulse the laser is
that they be? Answer: Hooded
◉ The effect of skin turning red after treatment is referred to as?
Answer: Erythema
◉ An over treatment of the skin characterized by blistering or
epidermal separation, caused by lateral pressure on the skin is
known as? Answer: Nikolski Sign
,◉ When tissue has been injured, fluid escapes the blood vessels to
surround the damaged tissue. This is referred to as? Answer: Edema
◉ The common type of laser used for hair removal is? Answer:
Pulsed
◉ Total destruction of tissue using laser energy is known as?
Answer: photoablation
◉ Laser is ineffective on hair that has? Answer: Little to no pigment
◉ The energy level of a laser, measured in joules is known as?
Answer: Energy fluence
◉ Lightwaves that travel in perfect unison, parallel and in the same
direction are known as? Answer: Coherent light
◉ Optical density labeling on laser safety eyewear refers to?
Answer: the degree to which a refractive medium retards
transmitted rays of light
◉ An allergic phototoxic reaction can occur up to how many hours
post-treatment? Answer: 24
,◉ Which part of the body is most vulnerable to laser light? Answer:
Eyes (cornea, retina, and lens)
◉ What is used to cool the inside of most pulsed lasers during
operation? Answer: Distilled water
◉ What is the chromophore when using the Nd:YAG laser for hair
removal? Answer: Melanin in the hair shaft and bulb
◉ What is the FDA class that presents both a direct and reflected
hazard? Answer: Class IV
◉ What is considered a natural chromophore for hair removal
lasers? Answer: melanin in the hair shaft and bulb
◉ Hair removal lasers are effective on which types of hair follicles?
Answer: Curved
Distorted
Straight
◉ What is most likely the cause of red, itchy bumps in the treatment
area 10-14 days after a patient's laser hair removal treatment?
Answer: Detached hair becoming trapped under the skin
, ◉ Laser hair removal is least effective on follicles in what stage of
development? Answer: Telogen
◉ The voluntary nationally recognized group establishing standards
for equipment use is known as? Answer: American National
Standards Institute (ANSI)
◉ types of epidermal cooling Answer: Bulk - gel (topical)
contact - a window cooled by circulating liquid
cryogen spray - applied pre-laser pulse
air - zimmer cooler
◉ LHR on patients with a Fitzpatrick of V & VI requires? Answer:
Longer wavelengths (diode 810nm or Nd:YAG 1064nm)
◉ Who is considered to be the "father of lasers" in medicine?
Answer: Leon Goldman
◉ Components of the laser include Answer: A flashlamp/high
intensity non-coherent light source, Lasing medium, Fiber optics and
lenses
◉ What are the properties of light when it reacts with tissue?
Answer: Scatter
COMPREHENSIVE STUDY GUIDE COMPLETE
SOLUTIONS VERIFIED
◉ An element has the ability to produce laser when it is in which
state? Answer: Metastable state
◉ What are the positive reactions to the skin indicating a successful
LHR treatment? Answer: Perifollicular erythema, perifollicular
edema
◉ Incandescent light is an example of? Answer: Incoherent light
◉ A requirement for foot switches that directly pulse the laser is
that they be? Answer: Hooded
◉ The effect of skin turning red after treatment is referred to as?
Answer: Erythema
◉ An over treatment of the skin characterized by blistering or
epidermal separation, caused by lateral pressure on the skin is
known as? Answer: Nikolski Sign
,◉ When tissue has been injured, fluid escapes the blood vessels to
surround the damaged tissue. This is referred to as? Answer: Edema
◉ The common type of laser used for hair removal is? Answer:
Pulsed
◉ Total destruction of tissue using laser energy is known as?
Answer: photoablation
◉ Laser is ineffective on hair that has? Answer: Little to no pigment
◉ The energy level of a laser, measured in joules is known as?
Answer: Energy fluence
◉ Lightwaves that travel in perfect unison, parallel and in the same
direction are known as? Answer: Coherent light
◉ Optical density labeling on laser safety eyewear refers to?
Answer: the degree to which a refractive medium retards
transmitted rays of light
◉ An allergic phototoxic reaction can occur up to how many hours
post-treatment? Answer: 24
,◉ Which part of the body is most vulnerable to laser light? Answer:
Eyes (cornea, retina, and lens)
◉ What is used to cool the inside of most pulsed lasers during
operation? Answer: Distilled water
◉ What is the chromophore when using the Nd:YAG laser for hair
removal? Answer: Melanin in the hair shaft and bulb
◉ What is the FDA class that presents both a direct and reflected
hazard? Answer: Class IV
◉ What is considered a natural chromophore for hair removal
lasers? Answer: melanin in the hair shaft and bulb
◉ Hair removal lasers are effective on which types of hair follicles?
Answer: Curved
Distorted
Straight
◉ What is most likely the cause of red, itchy bumps in the treatment
area 10-14 days after a patient's laser hair removal treatment?
Answer: Detached hair becoming trapped under the skin
, ◉ Laser hair removal is least effective on follicles in what stage of
development? Answer: Telogen
◉ The voluntary nationally recognized group establishing standards
for equipment use is known as? Answer: American National
Standards Institute (ANSI)
◉ types of epidermal cooling Answer: Bulk - gel (topical)
contact - a window cooled by circulating liquid
cryogen spray - applied pre-laser pulse
air - zimmer cooler
◉ LHR on patients with a Fitzpatrick of V & VI requires? Answer:
Longer wavelengths (diode 810nm or Nd:YAG 1064nm)
◉ Who is considered to be the "father of lasers" in medicine?
Answer: Leon Goldman
◉ Components of the laser include Answer: A flashlamp/high
intensity non-coherent light source, Lasing medium, Fiber optics and
lenses
◉ What are the properties of light when it reacts with tissue?
Answer: Scatter
