Question 1

A closed comedone (whitehead) is formed when:

Accepted Answer

A closed comedone (whitehead) forms when a follicle is clogged with dead skin cells and sebum but remains closed at the surface — no oxidation occurs. An open comedone (blackhead) forms when the follicle is open, allowing oxidation of melanin in the sebum, turning it dark (the black color is not dirt). Inflamed comedones with bacteria become papules and pustules.

Question 2

Hyaluronic acid in skincare works primarily as a:

Accepted Answer

Hyaluronic acid (HA) is a humectant — it attracts and binds water molecules, holding up to 1,000× its weight in moisture. HA draws moisture from the environment (and dermis) into the epidermis. It is found naturally in the skin and joints. In skincare, it improves hydration and plumps the appearance of fine lines. Emollients (lipids) and occlusives (petrolatum, beeswax) work differently.

Question 3

Telangiectasia refers to:

Accepted Answer

Telangiectasia are dilated, permanently widened capillaries visible at the skin surface — commonly called 'broken capillaries' or 'spider veins.' They commonly appear on the nose and cheeks, especially in rosacea, after sun damage, or in clients with thin or fair skin. Esthetic treatments should avoid heat, friction, and stimulation that can worsen telangiectasia.

Question 4

Rosacea is a chronic skin condition characterized by:

Accepted Answer

Rosacea is a chronic inflammatory condition primarily affecting the central face. It presents with erythema, telangiectasia (visible vessels), flushing triggered by heat or alcohol, and sometimes acne-like papules. It has no cure but can be managed with appropriate treatment.

Question 5

Hyperpigmentation following inflammation (post-inflammatory hyperpigmentation, or PIH) is caused by:

Accepted Answer

PIH occurs when inflammation (from acne, eczema, trauma, or other injury) triggers melanocytes to overproduce melanin in the affected area, leaving dark spots. It is more common and persistent in higher Fitzpatrick skin types.

Question 6

A client presents with a butterfly-shaped rash across the nose and cheeks, sensitivity to sunlight, and joint pain. This pattern suggests:

Accepted Answer

The butterfly (malar) rash across the nose and cheeks combined with photosensitivity and systemic symptoms is a classic presentation of systemic lupus erythematosus (SLE). The esthetician should immediately refer this client to a physician and not provide treatment.

Question 7

Seborrheic keratosis appears as:

Accepted Answer

Seborrheic keratoses are benign, pigmented, raised lesions with a characteristic 'stuck-on' or 'pasted-on' waxy appearance. They are common in older adults and are benign — estheticians should recognize them but not attempt to remove them.

Question 8

When a client has acne rosacea, chemical peels should be:

Accepted Answer

Chemical peels can trigger rosacea flares due to their inflammatory nature. If peels are used at all, only the gentlest formulations (low-percentage lactic acid) at longer intervals should be considered, with physician guidance.

Question 9

Acne vulgaris Grade III is characterized by:

Accepted Answer

The Pillsbury classification grades acne: Grade I (comedones), Grade II (papules/pustules), Grade III (numerous papules, pustules, some nodules), Grade IV (cystic, inflammatory, covering large areas). Grade III often requires referral to dermatology.

Question 10

Clients with active herpes simplex labialis (cold sore) should receive:

Accepted Answer

Active herpes simplex lesions are highly contagious through direct contact. Performing facial massage or extractions near an active lesion risks spreading the virus and exposing the esthetician. Service must be deferred until the lesion is completely healed.

Skin Conditions, Disorders & Ingredients Practice Questions

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