Which layer of the epidermis is responsible for producing new keratinocytes through mitosis?
Scientific Concepts
Question · Easy
What the hep B vaccine costs you at work
Short
A glycolic acid peel is classified as which type of chemical exfoliant?
Advanced Services
Under the OSHA Bloodborne Pathogens Standard, what must an employer offer at no cost to estheticians with occupational exposure risk?
Sanitation Infection Control
Question · Medium
Which agency houses the DC Board of Barber and Cosmetology that licenses master estheticians?
Dc Law Rules
Microdermabrasion using aluminum oxide crystals primarily exfoliates which skin structure?
During laser hair reduction, which phase of the hair growth cycle is the most effective target?
Which prerequisite must a candidate satisfy before sitting for the DC Master Esthetician written exam?
What is the function of melanin produced by melanocytes in the epidermis?
A Jessner's solution peel typically contains lactic acid, salicylic acid, and which additional ingredient?
Question · Hard
On the Fitzpatrick scale, which skin type carries the highest risk of post-inflammatory hyperpigmentation after a chemical peel?
Which decontamination level destroys all microbial life including bacterial spores?
Manual lymphatic drainage massage is primarily intended to achieve which outcome?
Galvanic current used in desincrustation produces which chemical reaction at the negative electrode?
Does the District of Columbia require a separate hands-on practical exam for the master esthetician tier?
Which skin condition is characterized by closed comedones and is a non-inflammatory acne lesion?
Selective photothermolysis in laser treatment depends on matching the laser wavelength to which target property?
Which pre-procedure step most reduces the risk of complications before a medium-depth chemical peel?
The dermis contains two main layers. Which layer lies directly beneath the epidermis and contains dermal papillae?
What is the recommended action if an esthetician sustains a needlestick or sharps injury during dermaplaning?
Which advanced service uses a sterile surgical blade to remove vellus hair and dead surface cells?
Which client medication is a strong contraindication for medium-depth peels and dermaplaning due to impaired healing?
The hydrolipidic film, or acid mantle, on healthy skin has an approximate pH of:
Which device uses alternating high-frequency current and can produce a germicidal ozone effect during facials?
What is the typical written-exam time limit candidates should expect for the NIC Advanced Esthetics examination?
Which collagen-related change is most associated with intrinsic (chronological) skin aging?
After a superficial chemical peel, which post-procedure instruction is most important for the client?
Salicylic acid is especially useful for oily, acne-prone skin because it is:
Which structure produces sebum that lubricates the skin and hair?
Which laser or light parameter describes how long the energy is delivered to the target tissue?
How often must a DC esthetics professional generally renew the license to remain in good standing?
Which ingredient is a tyrosinase inhibitor commonly used to address hyperpigmentation?
Why must the same area not be passed repeatedly during a single microdermabrasion session?
Which skin disorder is a chronic vascular condition marked by facial redness, flushing, and visible capillaries?
What is the primary purpose of applying a neutralizing solution after some chemical peels?
Which agent is appropriate for high-level disinfection of a non-porous tool that cannot be autoclaved?
Microcurrent therapy is best described as a treatment that delivers:
Which procedure is generally outside the DC master esthetician scope and reserved for medical providers?
Trichloroacetic acid (TCA) peels are classified by depth depending on concentration. A higher TCA concentration generally produces:
Which protein gives the dermis its tensile strength and is the main target of collagen-stimulating treatments?
Iontophoresis with the galvanic positive pole is used to introduce which type of product into the skin?
How many hours of master esthetics training does DC require beyond the basic esthetician license?
Which client is the best candidate for a series of superficial AHA peels?
Which structure anchors the epidermis to the dermis and is important to treatment depth decisions?
Why must single-use items such as dermaplaning blades and lancets be discarded after one client?
Which light-based modality uses a broad spectrum of non-coherent light rather than a single wavelength?
Eye protection during laser or IPL procedures is required for:
What does the term 'frosting' indicate during a chemical peel?
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