Exam (elaborations)
LASER HAIR REMOVAL QUESTIONS AND ANSWERS
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LASER HAIR REMOVAL QUESTIONS AND ANSWERS
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LASER HAIR REMOVAL QUESTIONS AND ANSWERSWhich of the following is NOT a property of laser light? - Answers-It's not always visible,
they are also monochromatic, collimated and coherent
True or false: priorto treatment, hair should neither be shaved or waxed. - Answers-true
Joules per area equals: - Answers-fluence
In the field of aesthetics, there are several types of lasers that produce energy within
specified durations and characteristics. Which one of the following is most appropriate
for laser hair removal? - Answers-long pulsed lasers
The outermost layer of the skin is called the: - Answers-epidermis
On the fitzpatrick scale of skin prototypes, caucasian skin that burns mildly but will tan is
best described as skin type : - Answers-III. I never tans, II burns, tans but doesn't last
long, IV is olive complexion, V light dark skin always tans, VI very dark
Which one of the following is a correct match? - Answers-Diode: 810
Ruby: 694
Alexandrite: 755
ND Yag: 1064
Each tissue has specific absorption characteristics based on its: - Answers-
chromophores
Finding the optimal treatment settings is a balance of: - Answers-efficiency and safety
Increasing spot size keeps scattered photons in the: - Answers-beam path
Minimize direct reflection by keeping incident path ______ to skin surface. - Answers-
perpendicular
Which of the following contributes the least to the efficacy of the treatment? - Answers-
pulse rate/ hertz. We are more concerned with pulse width or duration, wavelength , and
amount of fluence.
Which of the following is not a primary layer of skin: - Answers-photodermis
When speaking of medical laser systems, It's perhaps most appropriate to think of them
as tools for a specific job. Which one of the following is NOT one of the most basic
considerations for selecting the best tool for the job? - Answers-the power supply. We
are more concerned with pulse width or duration, wavelength , and amount of fluence.
, Which of the following is not a form of cooling? - Answers-electromagnetic cooling.
Cooling forms are cryogenic , forced air and contact.
Known as the workhorse laser, which of the following lasers/ machines is most
appropriate to treat skin types IV, V and VI for LHR? - Answers-ND:YAG 1064
Which one of the following wavelengths is most appropriate for the treatment of LHR,
certain pigmented lesions, tattoo removal, and vascular lesions? - Answers-1064 nm
because it goes further into the skin.
Removal of tissue and inducing a thermal injury that heals by epidermal regeneration
and remodeling of the underlying collagen is achieved by: - Answers-ablative systems
Which wavelength has the highest absorption of melanin in the skin? - Answers-755nm
because it doesn't travel as far into the skin, therefore picking up the melanin closer to
the outer layers as well.
The primary targeted chromophore when performing hair removal is: - Answers-melanin
within the hair follicle
IPL machines produce: - Answers-broadband light
True or false: It is safe to assume that protective eyewear found within a laser clinic will
protect you from all the lasers maintained within that clinic. - Answers-false
Terminal hair is: - Answers-coarse, pigmented hair
The consulting physician shall have a primary practice location within how many miles
of the LHR facility the physician is contracted with? - Answers-75 miles
Delivering energy to the target while sparing adjacent structures is called: - Answers-
photo thermolysis
What area of the body is thought to have the longest telogen state? - Answers-the back
True or false: when the optical window, between 600nm and 1100nm, melatonin
absorption in the epidermis increases with increasing wavelength. - Answers-false. As a
wavelength increases melanin absorption decreases
A client presents with ingrown hairs in the neck region, displaying irritation, as well as
pustules as hair coils in the follicle with superinfection. Client most likely has: - Answers-
pseudofolliculitis barbae
Which one of the following is not a proper pre treatment consideration? - Answers-hair
should be waxed or plucked
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