Laser and light based hair removal physics exam ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
with correct detailed solutions ||\\//|| ||\\//|| ||\\//||
What is the acronym for LASER? ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
A. Light Amplification by Stimulated Emission of Radiation
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
B. Light Amplification by Saturated Emission of Radiation
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
C. Laser Adjusted by Stimulated Emission of Radiation
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
D. Laser Amplification by Stimulated Emission of Radiation - correct answer✔✔A. Light
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Amplification by Stimulated Emission of Radiation ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Photothermolysis is based on the principle of using: ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
A. A laser to obliterate anything containing melanin
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
B. The hair as a fiber optic to destroy the root of the hair
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
C. Laser energy is to selectively destroy a target beneath the surface of the skin
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
D. Laser energy to target and destroy anything with a blood supply by targeting a
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
chromophore - correct answer✔✔C. Laser energy is to selectively destroy a target beneath ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
the surface of the skin
||\\//|| ||\\//|| ||\\//|| ||\\//||
The measure of energy density delivered to the tissue expressed in joules per cm2 is called:
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
A. Fluence
||\\//||
B. Frequency
||\\//||
C. Electron
||\\//||
D. Excited state - correct answer✔✔A. Fluence
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
The principle of selective photothermolysis relies on the presence of what substance in the
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
follicle and surrounding structure ||\\//|| ||\\//|| ||\\//||
, A. Melanin
||\\//||
B. Sebum
||\\//||
C. Water
||\\//||
D. Blood - correct answer✔✔A. Melanin
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Laser pulse width represents the:
||\\//|| ||\\//|| ||\\//|| ||\\//||
A. Diameter of the skin area being targeted
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
B. Amount of time the target is exposed to the laser
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
C. Amount of heat generated by the laser
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
D. Amount of energy required for the laser to destroy tissue - correct answer✔✔B. Amount
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
of time the target is exposed to the laser
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
In laser hair removal the. Most important consideration associated with spot size is the:
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
A. Color of laser light
||\\//|| ||\\//|| ||\\//|| ||\\//||
B. Type of hair that may be treated
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
C. Type of skin that may be treated
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
D. Depth of penetration of the energy into the dermis - correct answer✔✔D. Depth of
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
penetration of the energy into the dermis ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
The amount of time it takes a substance after heating to return to its normal temperature is
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
known as: ||\\//||
A. Epidermal cooling
||\\//|| ||\\//||
B. Thermal relaxation time
||\\//|| ||\\//|| ||\\//||
C. Thermal storage coefficient
||\\//|| ||\\//|| ||\\//||
D. Photodynamic therapy - correct answer✔✔B. Thermal relaxation time
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
When excited with flashlamp the alexandrite crystal emits radiation at:
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
with correct detailed solutions ||\\//|| ||\\//|| ||\\//||
What is the acronym for LASER? ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
A. Light Amplification by Stimulated Emission of Radiation
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
B. Light Amplification by Saturated Emission of Radiation
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
C. Laser Adjusted by Stimulated Emission of Radiation
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
D. Laser Amplification by Stimulated Emission of Radiation - correct answer✔✔A. Light
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Amplification by Stimulated Emission of Radiation ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Photothermolysis is based on the principle of using: ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
A. A laser to obliterate anything containing melanin
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
B. The hair as a fiber optic to destroy the root of the hair
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
C. Laser energy is to selectively destroy a target beneath the surface of the skin
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
D. Laser energy to target and destroy anything with a blood supply by targeting a
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
chromophore - correct answer✔✔C. Laser energy is to selectively destroy a target beneath ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
the surface of the skin
||\\//|| ||\\//|| ||\\//|| ||\\//||
The measure of energy density delivered to the tissue expressed in joules per cm2 is called:
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
A. Fluence
||\\//||
B. Frequency
||\\//||
C. Electron
||\\//||
D. Excited state - correct answer✔✔A. Fluence
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
The principle of selective photothermolysis relies on the presence of what substance in the
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
follicle and surrounding structure ||\\//|| ||\\//|| ||\\//||
, A. Melanin
||\\//||
B. Sebum
||\\//||
C. Water
||\\//||
D. Blood - correct answer✔✔A. Melanin
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Laser pulse width represents the:
||\\//|| ||\\//|| ||\\//|| ||\\//||
A. Diameter of the skin area being targeted
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
B. Amount of time the target is exposed to the laser
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
C. Amount of heat generated by the laser
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
D. Amount of energy required for the laser to destroy tissue - correct answer✔✔B. Amount
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
of time the target is exposed to the laser
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
In laser hair removal the. Most important consideration associated with spot size is the:
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
A. Color of laser light
||\\//|| ||\\//|| ||\\//|| ||\\//||
B. Type of hair that may be treated
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
C. Type of skin that may be treated
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
D. Depth of penetration of the energy into the dermis - correct answer✔✔D. Depth of
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
penetration of the energy into the dermis ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
The amount of time it takes a substance after heating to return to its normal temperature is
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
known as: ||\\//||
A. Epidermal cooling
||\\//|| ||\\//||
B. Thermal relaxation time
||\\//|| ||\\//|| ||\\//||
C. Thermal storage coefficient
||\\//|| ||\\//|| ||\\//||
D. Photodynamic therapy - correct answer✔✔B. Thermal relaxation time
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
When excited with flashlamp the alexandrite crystal emits radiation at:
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
