Chemical Peels — MCQs

Benzoyl peroxide acts in acne vulgaris by:

Acid that is decreased in acne comedones is?

Topical antiviral drugs are not indicated in:

A child presents with grouped vesicles on the lips. What is the bedside investigation that you would like to do?

A cosmetic dermatologist plans to introduce microneedling radiofrequency for acne scars. Which parameter combination would provide optimal collagen remodeling with minimal risk of thermal injury in Fitzpatrick type IV skin?

A 50-year-old man with Fitzpatrick skin type V desires treatment for melasma. He was previously treated with triple combination cream with partial response. What would be the most evidence-based next step considering safety and efficacy?

A patient treated with Q-switched Nd:YAG laser for nevus of Ota develops paradoxical darkening after 4 weeks. What is the most likely explanation for this phenomenon?

A 42-year-old woman develops sudden onset vision loss in one eye 2 hours after hyaluronic acid filler injection in the glabella. Fundoscopy shows retinal whitening. What is the underlying pathophysiology?

A 28-year-old patient undergoes 70% glycolic acid peel for acne scars. Two hours post-procedure, he develops severe burning and erythema. What is the most appropriate immediate management?

A 35-year-old woman desires correction of nasolabial folds. She has a history of herpes simplex labialis. Which dermal filler should be avoided?