CLS CLS Contraindications & Adverse Events Management

Question 1

Which medication is a well-known photosensitizer that represents a contraindication or requires extra caution before laser treatment?

Accepted Answer

Tetracycline antibiotics

Answer

Acetaminophen

Answer

Calcium supplements

Answer

Antihistamines

Question 2

A client with a history of cold sores (HSV-1) is scheduled for a fractional laser resurfacing treatment. What is the appropriate pre-treatment protocol?

Accepted Answer

Prescribe prophylactic antiviral medication before treatment

Answer

Proceed without modification

Answer

Use a higher fluence to eliminate the virus

Answer

Apply topical antibiotics only

Question 3

What skin condition is an absolute contraindication for laser hair removal in the treatment area?

Accepted Answer

Active skin infection or open wound in the treatment area

Answer

Mild seasonal dryness

Answer

Mild hyperpigmentation

Answer

Normal body hair density

Question 4

Which condition requires a physician's clearance before a CLS proceeds with laser treatment on a client?

Accepted Answer

Keloid or hypertrophic scarring history

Answer

Mild skin dryness

Answer

Blonde body hair

Answer

Client preference for a different laser wavelength

Question 5

Isotretinoin (Accutane) use requires how long a waiting period after the last dose before most laser resurfacing procedures can be safely performed?

Accepted Answer

6–12 months

Answer

1 week

Answer

1 month

Answer

No waiting period is needed

Question 6

What is the most appropriate immediate response if a client experiences vesicle (blister) formation during a laser treatment?

Accepted Answer

Stop treatment immediately, cool the area, and document the adverse event

Answer

Continue treatment at reduced power

Answer

Apply makeup to conceal the blisters

Answer

Increase cooling alone and finish the session