CANS Laser, Light & Energy-Based Therapies

Question 1

What is the primary target of laser hair removal treatments?

Accepted Answer

Melanin in the hair follicle

Answer

Sebaceous gland

Answer

Sweat duct

Answer

Collagen fibers

Question 2

Which Fitzpatrick skin types are at highest risk for hyperpigmentation after laser treatment?

Accepted Answer

Types IV-VI

Answer

Types I-II

Answer

Types III-IV

Answer

Type I only

Question 3

What is the role of cooling devices in laser treatments?

Accepted Answer

Protect the epidermis and minimize discomfort

Answer

Stimulate collagen production

Answer

Increase melanin absorption

Answer

Prevent hyperhidrosis

Question 4

Which energy-based treatment is best suited for improving skin texture and stimulating collagen?

Accepted Answer

Radiofrequency treatment

Answer

Cryotherapy

Answer

Laser tattoo removal

Answer

Microdermabrasion

Question 5

Which precaution is critical before performing IPL (Intense Pulsed Light) therapy?

Accepted Answer

Avoid sun exposure and tanning

Answer

Apply topical retinoids

Answer

Increase vitamin C intake

Answer

Take aspirin to reduce swelling

Question 6

What is a potential complication of improperly calibrated laser equipment?

Accepted Answer

Burns or pigmentation changes

Answer

Increased hydration

Answer

Improved skin elasticity

Answer

Reduced sensitivity