Questionnaire

1. Acne vulgaris is primarily an infectious disease caused by Cutibacterium acnes.

2. Which of the following is not considered a primary pathogenic factor in acne development?

3. For a female patient with moderate inflammatory acne, poor response to topical retinoids and oral doxycycline after 12 weeks, no pregnancy risk, and no contraindications, which of the following is a reasonable next-line option before considering isotretinoin?

4. In patients with skin of colour, post-inflammatory hyperpigmentation (PIH) is a common sequela of acne and should be addressed as part of the treatment plan.

5. Which statement is correct regarding topical retinoids?