Laser Safety & Protocols Flashcards
7 cards from real CLT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Laser Safety & Protocols flashcards as text
What is the significance of the Maximum Permissible Exposure (MPE) in laser safety?
Answer: The highest level of laser radiation that can be safely tolerated by the eye or skin
MPE is the maximum radiation level to which a person may be exposed without hazardous effects, as defined by ANSI Z136 standards.
A technician is treating a client with a history of cold sores (oral herpes). What prophylactic measure should be taken before ablative laser resurfacing?
Answer: Prescribe antiviral medication starting 1-2 days before and continuing after treatment
Ablative laser resurfacing can trigger herpes simplex virus reactivation, so antiviral prophylaxis starting before treatment is the standard of care.
Which wavelength range is classified as the 'Retinal Hazard Region' due to the eye's ability to focus this light onto the retina?
Answer: 400–1400 nm (visible and near-infrared)
The 400–1400 nm range is the retinal hazard region because the cornea and lens are transparent to this light, allowing it to be focused on the retina.
Which laser class poses the GREATEST risk to skin and requires engineering controls, administrative controls, and PPE?
Answer: Class 4
Class 4 lasers are high-power devices that can cause immediate skin and eye damage, ignite materials, and produce hazardous diffuse reflections.
What is the correct documentation requirement after a laser treatment session according to best practice standards?
Answer: Record treatment parameters, client response, adverse effects, and post-care instructions given
Complete treatment records including parameters, client response, and instructions protect both the client and the practitioner and are required for continuity of care.
What is the primary reason reflective surfaces such as mirrors and metallic instruments are prohibited in a laser treatment room?
Answer: They can create specular reflections that redirect the beam to unintended targets
Specular (mirror-like) reflections can redirect a laser beam at near-original intensity, causing burns to eyes or skin of anyone in its path.
A client requests laser treatment 2 weeks after getting a spray tan. What is the technician's appropriate response?
Answer: Postpone treatment until the spray tan has fully faded
DHA in spray tans increases melanin-like absorption, raising the risk of burns and uneven results; treatment should wait until the tan completely fades.