Skincare Skincare MCQ 3 — Questions and Answers
Question 1: What is 'comedogenic' used to describe in skincare?
- Products that lighten skin tone
- Products that clog pores (Correct answer)
- Products that cause allergic reactions
- Products with strong fragrances
Correct answer: Products that clog pores
Comedogenic refers to ingredients or products that have a tendency to clog pores and potentially cause comedones (blackheads and whiteheads).
Question 2: Which condition describes small, flesh-colored bumps caused by keratin trapped under the skin?
- Rosacea
- Milia (Correct answer)
- Psoriasis
- Seborrheic dermatitis
Correct answer: Milia
Milia are small white or flesh-colored cysts that form when keratin becomes trapped beneath the surface of the skin.
Question 3: What does 'double cleansing' involve as a skincare technique?
- Using two different toners back to back
- Washing the face twice with the same cleanser
- Using an oil-based cleanser followed by a water-based cleanser (Correct answer)
- Alternating between morning and evening cleansers
Correct answer: Using an oil-based cleanser followed by a water-based cleanser
Double cleansing uses an oil-based cleanser first to remove makeup and sunscreen, followed by a water-based cleanser to remove remaining impurities.
Question 4: Which skin condition is characterized by chronic redness, flushing, and visible blood vessels on the face?
- Eczema
- Psoriasis
- Rosacea (Correct answer)
- Contact dermatitis
Correct answer: Rosacea
Rosacea is a chronic inflammatory skin condition causing facial redness, flushing, and visible blood vessels, often on the nose and cheeks.
Question 5: What is the primary function of a toner in a skincare routine?
- To add a thick moisture barrier
- To rebalance skin pH and prep skin for subsequent products (Correct answer)
- To provide broad-spectrum UV protection
- To deeply exfoliate the skin
Correct answer: To rebalance skin pH and prep skin for subsequent products
Toners help rebalance the skin's pH after cleansing and prepare the skin to better absorb serums and moisturizers.
Question 6: Which ingredient, derived from vitamin A, is FDA-approved to treat acne and is available by prescription?
- Tretinoin (Correct answer)
- Niacinamide
- Azelaic acid
- Benzoyl peroxide
Correct answer: Tretinoin
Tretinoin is a prescription retinoid derived from vitamin A that is FDA-approved for treating acne and has anti-aging benefits.
Question 7: What is 'transepidermal water loss' (TEWL) in skincare?
- Sweating during exercise
- Water evaporating from the skin through the epidermis (Correct answer)
- Moisture absorption from humid environments
- Water loss through drinking insufficient fluids
Correct answer: Water evaporating from the skin through the epidermis
TEWL refers to water that passively evaporates through the epidermis into the environment, and high TEWL indicates a compromised skin barrier.
Skincare Skincare MCQ 3
What is 'comedogenic' used to describe in skincare?