NIC Master / Advanced Esthetics Theory

Which layer of the epidermis contains living cells that actively divide to produce new skin cells?

• AStratum basale
• BStratum corneum
• CStratum lucidum
• DStratum granulosum

Selective photothermolysis in laser hair removal depends on the laser targeting which chromophore in the hair follicle?

• AHemoglobin
• BMelanin
• CWater
• DCollagen

What is the highest level of decontamination an esthetician can perform, and which agency regulates it?

• ASterilization, regulated by the FDA
• BSanitation with soap and water
• CDisinfection with an EPA-registered hospital-level disinfectant
• DAntisepsis with isopropyl alcohol

A glycolic acid peel works primarily by which mechanism?

• ACoagulating surface proteins to form a frost
• BPhysically abrading the stratum corneum with crystals
• CReducing melanin by inhibiting tyrosinase only
• DWeakening corneocyte adhesion to accelerate desquamation

On the Fitzpatrick scale, which skin type always burns and never tans?

• AType I
• BType III
• CType IV
• DType VI

Which electrotherapy modality uses galvanic current to introduce water-soluble products into the skin?

• AHigh frequency
• BIontophoresis
• CMicrocurrent
• DUltrasonic

During which phase of the hair growth cycle is laser hair removal most effective?

• ATelogen (resting)
• BCatagen (transition)
• CAnagen (active growth)
• DExogen (shedding)

Manual lymphatic drainage massage is primarily used to achieve which result?

• AStimulate sebaceous gland output
• BIncrease melanin production
• CExfoliate the stratum corneum
• DReduce edema and support lymph flow

Melasma is best described as which type of skin condition?

• AAcquired symmetrical hyperpigmentation often linked to hormones and UV
• BA bacterial infection of the sebaceous gland
• CA precancerous keratotic lesion from sun damage
• DA vascular dilation disorder of the cheeks and nose

Which OSHA standard most directly governs an esthetician's handling of blood exposure during advanced procedures?

• AHazard Communication Standard
• BBloodborne Pathogens Standard
• CPersonal Protective Equipment Standard only
• DRespiratory Protection Standard

A Jessner's solution peel is typically formulated with resorcinol, lactic acid, and which additional ingredient?

• ATrichloroacetic acid
• BHydroquinone
• CSalicylic acid
• DPhenol

Which structure produces sebum that lubricates the skin and hair?

• ASudoriferous gland
• BArrector pili muscle
• CEccrine gland
• DSebaceous gland

Dermaplaning is best classified as which type of exfoliation?

• AMechanical (physical) exfoliation
• BChemical exfoliation
• CEnzymatic exfoliation
• DAblative laser exfoliation

Why is laser or IPL hair removal generally contraindicated or higher-risk on Fitzpatrick V-VI skin with traditional devices?

• AThere is no melanin in the hair to target
• BEpidermal melanin competes for energy, raising burn and dyspigmentation risk
• CDarker skin has no follicles to treat
• DThe skin is too thin to tolerate any light energy

The papillary layer and the reticular layer are the two divisions of which skin structure?

• AEpidermis
• BSubcutaneous layer
• CDermis
• DStratum corneum

What is the recommended immediate response if a client reports stinging and you observe a uniform white frost during a TCA peel?

• AApply another coat to deepen the peel
• BImmediately neutralize with strong acid
• CIgnore it and continue layering indefinitely
• DRecognize frosting as an expected endpoint and proceed with cool compresses and protocol

Which skin function is performed when the body releases excess water and salts through sweat?

• AExcretion
• BAbsorption
• CSecretion
• DSensation

High-frequency current is contraindicated for a client who is pregnant or who has which condition?

• ADry skin
• BA pacemaker or other electronic implant
• CMild dehydration
• DSensitive eyes

Which of the following is an extrinsic factor that accelerates skin aging?

• AGenetic collagen decline
• BNatural slowing of cell turnover with age
• CChronic ultraviolet exposure
• DHereditary skin thickness

Microdermabrasion using aluminum oxide crystals primarily exfoliates which skin layer?

• AReticular dermis
• BSubcutaneous fat
• CStratum basale
• DStratum corneum

Which cosmetic ingredient is a retinoid derivative used to promote cell turnover and improve photoaging?

• ARetinol
• BHyaluronic acid
• CGlycerin
• DNiacinamide

Before any advanced exfoliation, a thorough client consultation must specifically screen for which of the following?

• AFavorite skincare brands only
• BRecent isotretinoin use, active herpes, and other contraindications
• CPreferred appointment time
• DHair color history

Salicylic acid is classified as which type of acid, making it especially useful for oily, acne-prone skin?

• AAn alpha hydroxy acid (water-soluble)
• BA polyhydroxy acid only
• CA beta hydroxy acid (lipid-soluble)
• DA trichloroacetic acid

Why must protective eyewear specific to the laser's wavelength be worn by both client and operator during laser hair removal?

• ATo block ambient room light only
• BTo improve the client's comfort with bright lights
• CEyewear is optional and only cosmetic
• DLaser energy can cause permanent retinal or ocular damage

Which body system delivers oxygen and nutrients to the skin and removes waste from skin cells?

• ACirculatory system
• BSkeletal system
• CIntegumentary system
• DEndocrine system

Microcurrent therapy is often described as a 'non-surgical facelift' because it primarily acts on what?

• AVaporizing the epidermis
• BRe-educating and toning facial muscles with sub-sensory current
• CBleaching melanin from the dermis
• DCoagulating dermal blood vessels

Actinic keratosis is significant to an esthetician primarily because it is:

• AA harmless freckle that needs no caution
• BA normal sign of healthy skin turnover
• CA precancerous lesion and a contraindication requiring physician referral
• DA type of acne lesion treated with extraction

When working under physician supervision for pre- and post-operative care, the esthetician's appropriate role includes:

• AIndependently prescribing medications
• BPerforming surgical incisions
• CDiagnosing skin cancer
• DProviding skin conditioning and post-procedure care within the delegated scope and protoc…

Which term describes the redness produced by dilation of capillaries, a common reaction after exfoliation?

• AErythema
• BComedone
• CCicatrix
• DMacule

An esthetician should refrain from performing exfoliation over a lesion that is changing in size, color, or shape because it may indicate:

• ASimple dry skin
• BPossible malignancy requiring medical evaluation
• CNormal aging only
• DA reaction to moisturizer

LED light therapy using red wavelengths is primarily used to:

• AKill acne-causing bacteria
• BRemove unwanted hair
• CStimulate fibroblast activity and collagen for rejuvenation
• DChemically peel the skin

Which of the following is a primary function of the skin?

• AProducing digestive enzymes
• BPumping blood through the body
• CFiltering blood to make urine
• DProtection against pathogens and physical injury

Which device uses high-frequency sound waves to gently exfoliate and infuse products via a vibrating spatula?

• AUltrasonic (ultrasound) device
• BGalvanic machine
• CWood's lamp
• DRotary brush

Hydroquinone is used in advanced skin care primarily to:

• AIncrease melanin synthesis
• BInhibit tyrosinase and lighten hyperpigmentation
• CExfoliate the stratum corneum mechanically
• DAdd moisture as a humectant

A superficial chemical peel is generally defined as penetrating to which depth?

• AThe full reticular dermis
• BThe subcutaneous fat layer
• CThe stratum corneum to the epidermis
• DMuscle tissue

Which gland type is responsible for thermoregulation by secreting watery sweat over most of the body?

• AApocrine glands
• BSebaceous glands
• CCeruminous glands
• DEccrine glands

After a medium-depth peel, which post-treatment instruction is most important to prevent complications?

• AApply broad-spectrum sun protection and avoid sun exposure
• BExfoliate aggressively the next day
• CUse a strong retinoid immediately
• DResume waxing the treated area same day

The Glogau classification is used to assess what?

• ADepth of a chemical burn
• BDegree of photoaging and wrinkling
• CRisk of pigmentation by ethnicity
• DBacterial load on the skin

Which of the following is an absolute contraindication for most chemical peels?

• AOily skin
• BMild dehydration
• CRecent oral isotretinoin (Accutane) use within 6-12 months
• DOccasional sun exposure

The desincrustation phase of galvanic treatment uses which polarity to soften and emulsify sebum?

• APositive (anode) pole
• BNeutral electrode
• CAlternating polarity
• DNegative (cathode) pole

Rosacea is characterized primarily by which clinical feature?

• APersistent central facial redness, flushing, and visible vessels
• BSymmetrical brown facial patches
• CThick scaly precancerous patches
• DClusters of comedones only

IPL (intense pulsed light) differs from laser in that IPL:

• AEmits a single coherent wavelength
• BEmits a broad spectrum of light filtered to a wavelength range
• CUses ultrasound rather than light
• DIs a mechanical exfoliation device

Which cell in the stratum basale produces the pigment responsible for skin color and UV protection?

• AKeratinocyte
• BLangerhans cell
• CMelanocyte
• DFibroblast

Why is a patch test or test spot recommended before a full laser hair removal treatment?

• ATo measure the client's pain tolerance only
• BIt is unnecessary for experienced clients
• CTo determine the client's preferred wavelength preference
• DTo assess skin response and reduce the risk of burns or adverse reactions

Which structure in the dermis is responsible for the skin's elasticity and recoil?

• AElastin fibers
• BCollagen fibers only
• CMelanin granules
• DKeratin filaments

An esthetician notices honey-colored crusting and oozing on a client's face before a peel. The most appropriate action is to:

• AProceed with the peel as scheduled
• BDecline the service and refer the client to a physician for possible impetigo
• CApply the peel only to unaffected areas
• DUse a stronger peel to clear the area

Vitamin C (L-ascorbic acid) is valued in advanced skin care chiefly because it:

• AIs an oxidizing agent that darkens skin
• BFunctions only as a chemical exfoliant
• CActs as an antioxidant and cofactor in collagen synthesis
• DIncreases melanin production

Radiofrequency (RF) devices used in advanced treatments primarily work by:

• ATargeting melanin to remove hair
• BChemically dissolving the stratum corneum
• CEmitting UV light to tan the skin
• DDelivering controlled dermal heat to stimulate collagen contraction and remodeling