Skincare Skin Conditions and Treatments 1 — Questions and Answers
Question 1: Acne vulgaris is primarily caused by which combination of factors?
- Dry skin and UV exposure
- Excess sebum, clogged pores, bacteria, and inflammation (Correct answer)
- Low humidity and diet alone
- Hormonal deficiency and dehydration
Correct answer: Excess sebum, clogged pores, bacteria, and inflammation
Acne vulgaris results from the interaction of excess sebum production, follicular occlusion, Cutibacterium acnes bacteria, and inflammation.
Question 2: What is rosacea primarily characterized by?
- Dark patches on cheeks and forehead
- Chronic facial redness, flushing, and sometimes visible blood vessels (Correct answer)
- Itchy, scaly patches on the scalp
- Deep cystic nodules on the back
Correct answer: Chronic facial redness, flushing, and sometimes visible blood vessels
Rosacea is a chronic inflammatory skin condition characterized by facial redness, flushing, visible blood vessels, and sometimes papules.
Question 3: Atopic dermatitis (eczema) is best described as:
- A contagious bacterial infection of the skin
- A chronic inflammatory skin condition with itchy, dry, inflamed patches (Correct answer)
- A fungal overgrowth on oily skin areas
- An autoimmune condition causing pigment loss
Correct answer: A chronic inflammatory skin condition with itchy, dry, inflamed patches
Atopic dermatitis is a chronic inflammatory condition involving a compromised skin barrier, immune dysregulation, and intense itching.
Question 4: Melasma is a skin condition characterized by:
- Red, scaly patches triggered by cold temperatures
- Brown or gray-brown patches typically on the face due to excess melanin (Correct answer)
- White, depigmented patches from melanocyte destruction
- Raised, itchy hives from allergic reactions
Correct answer: Brown or gray-brown patches typically on the face due to excess melanin
Melasma presents as symmetrical brown or grayish patches on the face, commonly triggered by hormones and UV exposure.
Question 5: Which treatment is NOT typically recommended for active rosacea?
- Gentle cleansers
- High-strength AHA chemical peels (Correct answer)
- Broad-spectrum SPF
- Anti-inflammatory ingredients like azelaic acid
Correct answer: High-strength AHA chemical peels
High-strength AHA peels can aggravate rosacea by causing irritation and increasing inflammation in already sensitive, reactive skin.
Question 6: Post-inflammatory hyperpigmentation (PIH) is caused by:
- Hormonal imbalance
- Excess melanin produced in response to skin inflammation or injury (Correct answer)
- Lack of sun exposure
- Vitamin C deficiency
Correct answer: Excess melanin produced in response to skin inflammation or injury
PIH occurs when inflammation (from acne, eczema, injury, etc.) triggers excess melanin production, leaving dark spots.
Skincare Skin Conditions and Treatments 1
Acne vulgaris is primarily caused by which combination of factors?