18 Questions
What is the primary mechanism of laser tissue interaction responsible for hair reduction?
Photothermal effect
Which laser is best suited for fine and light hair, but has limited use for skin types IV and above?
Alexandrite (755nm)
What is the target chromophore in laser hair reduction?
Melanin
Which stage of hair growth is sensitive to hair reduction by laser?
Anagen only
What is the purpose of a smoke evacuator in laser hair removal?
To prevent inhalation injury
What is the potential application of photochemical effect in laser hair removal?
Future hair removal of non-pigmented hair
What is an advantage of cooling in laser hair removal treatment?
It allows treatment at higher energy fluences without increasing the incidence of scarring or pigmentary changes
Which of the following patient-related factors can affect the response to laser hair removal treatment?
Hormonal status and skin type
What is the recommended duration for a patient to avoid hair plucking before a laser session?
4 weeks
What is the ideal hair type for laser hair removal treatment?
Thick, dark-colored hair
What is a potential complication of laser hair removal treatment in darker skin types?
Higher risk of side effects
What is the primary purpose of test spots applied 15 minutes before the procedure?
To determine the optimal treatment parameters
What is the typical number of sessions required to achieve significant hair reduction?
5-8 sessions
What is the recommended interval for scheduling treatment sessions?
4-8 weeks
What is an indication for laser hair removal treatment?
Unwanted hair and pseudofolliculitis barbae
What is the purpose of applying a soothing ointment and mild topical steroid after the procedure?
To reduce pain and minimize edema
What is the recommended duration for reassurance about growing hair after the procedure?
1-2 weeks
What is the purpose of hydroquinone in the post-treatment phase?
To treat post-inflammatory hyperpigmentation
This quiz covers the safety measures to be taken during laser hair reduction procedures, including the use of non-reflective instruments and avoidance of flammable materials. It also explores the principle of selective photothermolysis and the target chromophore in laser hair reduction.
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