Question 1

What is the primary function of the stratum basale, and which specialized cells are found there?

Accepted Answer

The stratum basale is the deepest epidermal layer where active cell division (mitosis) occurs to produce new skin cells; it also houses melanocytes, which produce melanin pigment.

Question 2

What is the difference between the papillary layer and the reticular layer of the dermis?

Accepted Answer

The papillary layer is the upper dermis, connecting to the epidermis via dermal papillae and containing capillaries and nerve endings; the reticular layer is the lower dermis containing dense collagen and elastin bundles that provide strength and elasticity.

Question 3

A client interested in intense pulsed light treatments for sun damage reports she always burns severely and has never developed a tan despite years of outdoor activity. She has fair, freckled skin. What is her Fitzpatrick classification and how should treatment be adjusted?

Accepted Answer

Fitzpatrick Type I — highest burn risk with minimal melanin. IPL settings must be at the lowest safe energy level with mandatory test spots and extended intervals between sessions to prevent hyperpigmentation, blistering, and scarring.

Question 4

A client with medium skin tone reports that she sometimes burns but gradually tans with sun exposure. Which Fitzpatrick type is she, and what SPF range is recommended?

Accepted Answer

This client is Fitzpatrick Type III, which describes medium skin that sometimes burns but gradually tans; an SPF of 15 to 30 is the recommended range for this skin type.

Question 5

What distinguishes Grade III acne from Grade II acne, and how does this affect the esthetician's scope of practice?

Accepted Answer

Grade III acne is severe, featuring many papules and pustules with significant inflammation and possible scarring, while Grade II is moderate with comedones and mild inflammation; Grade III requires caution and may need physician coordination.

NIC Esthetics Exam: Skin Analysis & Disorders

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