Cosmetology and Beauty Cosmetology and Beauty Skin Care & Esthetics 1

Question 1

Which layer of the skin is responsible for producing new skin cells through mitosis?

Accepted Answer

Stratum basale (germinativum)

Answer

The stratum basale is the deepest epidermal layer where stem cells continuously divide to produce new keratinocytes.

Question 2

What is the Fitzpatrick scale used for in esthetics?

Accepted Answer

Classifying skin type by its reaction to UV exposure

Answer

The Fitzpatrick scale classifies skin into six types (I–VI) based on its tendency to burn or tan when exposed to ultraviolet radiation.

Question 3

Which type of facial exfoliation uses enzymes to dissolve dead skin cells?

Accepted Answer

Enzyme exfoliation

Answer

Enzyme exfoliants use proteolytic enzymes (often from papaya or pineapple) to digest the keratin protein in dead skin cells without abrasion.

Question 4

What does SPF (Sun Protection Factor) measure?

Accepted Answer

How long sunscreen extends the time before UVB rays cause sunburn

Answer

SPF indicates how much longer skin protected by sunscreen takes to show UVB-induced sunburn compared to unprotected skin.

Question 5

Which skin condition is characterized by chronic redness, flushing, visible blood vessels, and pustules on the central face?

Accepted Answer

Rosacea

Answer

Rosacea is a chronic inflammatory condition presenting with persistent facial redness, telangiectasia, and sometimes acne-like pustules.

Cosmetology and Beauty Practice Test