Laser Basics & Light Properties
What is the term for the amount of time required to thermally damage a target without harming surrounding tissue?
What is thermal damage time (TDT)?
What adverse reaction occurs from lack of overlap or too much overlap causing visible bar marks?
What is striping?
What is the chromophore for the Er:YAG laser?
What is water?
Which RF type is rarely used on skin due to its aggressiveness?
What is monopolar?
What is the condition characterized by erythema, flushing, telangiectasia, and acne-like papules?
What is rosacea?
What does selective photothermolysis describe?
What is light selectively absorbed by its target, converted to heat, damaging only the target?
What must you do when performing a second pass of IPL?
What is cross-hatch?
What is the clinical endpoint goal for laser hair removal clients?
What is perifollicular edema (PFE)?
What is the typical penetration percentage of the current between electrodes during RF?
What is 50%?
What lesion appears as a rubbery blood vessel bump and is bright red?
What is a hemangioma?
What wavelength can only be used on Fitzpatrick skin types 1-3 and targets melanin?
What is 755 nm (Alexandrite)?
What is the effect of IPL on melanin in the skin?
What is breaking up melanin and pulling it to the skin’s surface?
What laser wavelength is ideal for most ink colors and can be used on all Fitzpatricks?
What is 1064 nm?
Which contraindications require avoiding RF treatments?
What are all the above (pregnancy, pacemaker, metal implants, etc.)?
What is the typical wait time between treatments when treating vascular lesions?
What is 6-8 weeks?
What setting intensifies fluence without adding heat?
What is pulse duration?
What is the typical duration a client must avoid photosensitizing medications before laser hair removal?
What is 14 days?
What is the fluence unit equation?
What is joules per centimeter squared (J/cm²)?
What ultrasound technology causes fat cell destruction through cavitation?
What is ultrasound?
What pigmentation disorder is considered an early stage of skin cancer?
What is actinic keratosis?
What adverse reaction from tattoo removal involves allergic responses and granuloma formation?
What is reaction to red ink?
What laser wavelength targets blood and is used in vascular lesion treatments?
What is 532 nm (KTP) or Pulsed Dye Laser (500-600 nm)?
What is the key clinical endpoint when treating pigmented lesions to avoid?
What is blistering or bleeding?
What is the contraindication related to nerve disorders and cold intolerance for fat reduction treatments?
What is Raynaud’s disease?
What is the name of the condition that causes dark blue to purple growths on lips or ears?
What is venous lake?