I85PREP
⌘ K
NJ Esthetician study materials
NJ Esthetician study resources

NJ Esthetician practice questions

One question at a time. Build your NJ Esthetician understanding.

First 50 of 200 questions. Each one lists the choices, the correct answer, and an explanation. The checker at the top of this page saves progress in this browser when it is available.

Continue in the practice tool above to load more questions, 50 at a time.

Question 1Infection Control, Sanitation, and Safety

In New Jersey, implements that contact a client's skin and cannot be disinfected between clients must be handled in which way?

  1. Stored in a closed drawer for later reuse
  2. Rinsed in warm water and reused on the next client
  3. Discarded after a single use on one client Correct answer.
  4. Wiped with a dry paper towel and reused

Explanation

Single-use implements that cannot be properly disinfected must be thrown away after serving one client. Reusing them, even after wiping or rinsing, allows pathogens to transfer between clients. Disposal is the only reliable control when disinfection is impossible.

Question 2Infection Control, Sanitation, and Safety

Which action is the most important first step a licensee should take before disinfecting any reusable tool removed from a manicure station?

  1. Scrub it clean with soap and water and dry it Correct answer.
  2. Soak it in disinfectant while still coated with debris
  3. Place it in a sealed bag until the end of the day
  4. Wipe it with a disinfectant wipe and return it to the drawer

Explanation

Cleaning with soap and water removes debris, blood, and product residue that can shield microorganisms and inactivate disinfectants. Disinfection is only effective on a surface that has first been cleaned. Skipping this step is a common inspection violation.

Question 3Infection Control, Sanitation, and Safety

A client arrives with an inflamed, oozing lesion on the scalp. What is the appropriate esthetician response?

  1. Decline the service and refer the client to a physician Correct answer.
  2. Treat the area with a stronger shampoo and proceed
  3. Cover the lesion with makeup and continue the service
  4. Perform the service but skip the affected area

Explanation

An oozing or inflamed lesion may be a contagious infection and is a contraindication for service. The esthetician should not work on or around it and should refer the client for medical evaluation. Proceeding risks spreading infection to the client, the licensee, and other clients.

Question 4Infection Control, Sanitation, and Safety

According to standard infection control practice, how long should hands be lathered during routine handwashing?

  1. At least 5 seconds
  2. At least 2 minutes
  3. At least 10 seconds
  4. At least 20 seconds Correct answer.

Explanation

Routine handwashing should include at least 20 seconds of vigorous lathering, covering the backs of the hands, between the fingers, and under the nails. This duration gives soap enough contact time to lift and rinse away transient microorganisms. Shorter scrubs are a frequent inspection finding.

Question 5Infection Control, Sanitation, and Safety

Which item is classified as a porous item that cannot be safely disinfected for reuse in a New Jersey salon?

  1. A stainless steel cuticle pusher
  2. A terry cloth towel used at the shampoo bowl Correct answer.
  3. A glass mixing bowl
  4. A plastic tint brush

Explanation

Porous items such as terry cloth towels absorb liquids and cannot be reliably disinfected, so they must be laundered after each use or replaced with clean ones. Nonporous tools like metal, glass, and hard plastic can be cleaned and disinfected. This distinction drives how each item is handled between clients.

Question 6Infection Control, Sanitation, and Safety

What is the correct way to store clean, disinfected implements before use?

  1. In a covered container that is cleaned regularly Correct answer.
  2. In an open tray next to the sink
  3. Loose in a drawer with used files
  4. In the same bin as soiled tools

Explanation

Disinfected implements must be kept in a clean, covered container to protect them from dust, splashes, and contamination until use. Storage separate from soiled items prevents recontamination. Open or mixed storage defeats the purpose of disinfection.

Question 7Infection Control, Sanitation, and Safety

Which practice best protects an esthetician from occupational exposure to bloodborne pathogens during a facial?

  1. Wearing the same gloves for every client all day
  2. Using hand sanitizer in place of gloves for all services
  3. Wearing gloves whenever contact with blood or body fluids is reasonably anticipated Correct answer.
  4. Relying on bare hands washed only at the end of the day

Explanation

Gloves are required when the licensee can reasonably anticipate contact with blood or other potentially infectious materials, such as when extracting or working near broken skin. Gloves are single-use and must be changed between clients. Hand hygiene still follows glove removal.

Question 8Infection Control, Sanitation, and Safety

A bottle of disinfectant has no label and the original container was discarded. What should the licensee do?

  1. Discard it, because an unlabeled chemical cannot be safely identified or used Correct answer.
  2. Smell it to determine which product it is
  3. Use it, since all salon liquids are disinfectants
  4. Label it with the date it was opened and use it

Explanation

Unlabeled chemicals must never be used because their identity, concentration, and safety hazards are unknown. Products must be kept in labeled containers with manufacturer instructions and safety data available. Discarding the unknown liquid removes the risk.

Question 9Infection Control, Sanitation, and Safety

A licensee is mixing a strong quaternary ammonium disinfectant in a small, poorly ventilated treatment room. Which control most directly reduces inhalation exposure?

  1. Mixing a larger batch so it is done less often
  2. Wearing a cloth scarf over the nose
  3. Turning up the salon music to mask the odor
  4. Opening windows or using local exhaust ventilation while mixing Correct answer.

Explanation

Ventilation removes airborne chemical vapors and mists at the source, which is the most direct engineering control for inhalation exposure. The manufacturer's safety data sheet should also be consulted for handling requirements. Odor masking or improvised barriers do not reduce exposure.

Question 10Infection Control, Sanitation, and Safety

Which statement correctly describes the difference between disinfection and sterilization?

  1. Disinfection and sterilization are interchangeable terms for the same process
  2. Sterilization is a cleaning step performed before disinfection
  3. Disinfection kills all bacterial spores, while sterilization kills only vegetative bacteria
  4. Disinfection reduces most pathogens on nonporous surfaces, while sterilization destroys all microorganisms including spores Correct answer.

Explanation

Disinfection destroys most pathogenic organisms on nonporous surfaces but does not reliably kill bacterial spores. Sterilization destroys all microorganisms, including spores, and is generally reserved for items that penetrate skin or enter the body. Estheticians typically disinfect rather than sterilize.

Question 11Infection Control, Sanitation, and Safety

An EPA-registered hospital-grade disinfectant label states a 10-minute contact time. A licensee immerses tools for 3 minutes and then rinses them. What is the result?

  1. The tools are not properly disinfected because the labeled contact time was not met Correct answer.
  2. The tools are adequately disinfected because they were fully submerged
  3. The tools only need to be rinsed longer to compensate
  4. The tools are sterilized because the product is hospital grade

Explanation

A disinfectant must remain in contact with the surface for the full contact time stated on its label to achieve the claimed kill. Cutting the time short leaves surviving pathogens on the tools. Rinsing afterward does not restore the missed disinfection.

Question 12Infection Control, Sanitation, and Safety

Which scenario most clearly requires the esthetician to wash hands and change gloves mid-service?

  1. After writing notes in the client's record
  2. After turning on a steamer for the client
  3. After a glove tears while working near a client's extracted comedone Correct answer.
  4. After answering a phone call at the front desk

Explanation

A torn glove exposes the licensee's skin to blood and body fluids, so the glove must be replaced and hands washed before continuing. Gloves are changed whenever they are torn, contaminated, or removed. Routine tasks that do not involve body fluids do not require glove changes.

Question 13Infection Control, Sanitation, and Safety

A client's skin is bleeding slightly after an extraction. What is the correct sequence for handling the contaminated waste and the esthetician's hands?

  1. Leave the gauze on the counter and finish the service
  2. Rinse the gauze and reuse it on the same client
  3. Dispose of the gauze in a lined, closed waste container and wash hands after removing gloves Correct answer.
  4. Place the soiled gauze in an open trash can, then wipe hands on a towel

Explanation

Blood-contaminated waste belongs in a lined container that is kept closed to prevent exposure, and hands must be washed after gloves are removed. This sequence limits contact with potentially infectious material. Leaving or reusing soiled materials spreads contamination.

Question 14Infection Control, Sanitation, and Safety

Why does the New Jersey salon rule require that a licensee not eat or drink in the service area?

  1. It reduces the cost of liability insurance
  2. It prevents contamination of food and drink from chemicals and pathogens in the work area Correct answer.
  3. It is only a courtesy to clients receiving services
  4. It keeps the salon quieter for clients

Explanation

Eating and drinking in the service area can transfer chemicals, product residue, and pathogens from hands and surfaces to food and then into the body. Keeping food away from work surfaces protects both clients and staff. The restriction is a health protection measure, not etiquette.

Question 15Infection Control, Sanitation, and Safety

Which practice represents proper handling of a disinfectant solution that has become visibly cloudy and contains debris?

  1. Add water to dilute it and keep using it
  2. Discard it, clean the container, and prepare a fresh solution Correct answer.
  3. Strain out the debris and continue using it
  4. Top it off with fresh product and keep using it

Explanation

Debris and cloudiness indicate that the solution is soiled and its active ingredients may be depleted, so it should be replaced with a freshly prepared solution. Containers should be cleaned before refilling. Diluting or straining does not restore effectiveness.

Question 16Infection Control, Sanitation, and Safety

An esthetician develops a red, itchy rash on the hands after repeated contact with a product. Which action best follows occupational safety principles?

  1. Continue use and cover the rash with makeup
  2. Switch to bare-handed work without gloves to let skin breathe
  3. Apply the product less often but keep using it on clients
  4. Stop using the product, review the safety data sheet, and seek evaluation Correct answer.

Explanation

A rash may indicate contact dermatitis or sensitization, so the product should be set aside and the safety data sheet reviewed for handling guidance. Medical evaluation protects the licensee's health and prevents worsening. Continued exposure can make the reaction more severe.

Question 17Infection Control, Sanitation, and Safety

Which statement about the use of a UV light unit for sterilizing implements in a salon is accurate?

  1. It is required by New Jersey rule for all nail implements
  2. It replaces the need for cleaning with soap and water
  3. It may supplement storage but cannot be relied on to disinfect or sterilize implements Correct answer.
  4. It reliably sterilizes metal implements within minutes

Explanation

UV cabinets are not recognized as a dependable method of disinfection or sterilization because light may not reach all surfaces and its effectiveness varies. Proper cleaning followed by an EPA-registered disinfectant is required. A UV unit cannot substitute for that process.

Question 18Infection Control, Sanitation, and Safety

A client with a known communicable skin infection asks for a full-body wax. What is the best course of action?

  1. Postpone the service until the infection has cleared and been cleared by a physician Correct answer.
  2. Perform the service but use extra powder
  3. Double the disinfectant used on the table afterward
  4. Wax only the unaffected areas and proceed

Explanation

A communicable skin infection is a contraindication for waxing because the service can spread infection and worsen the client's condition. The service should be postponed until the infection resolves. Extra powder or stronger disinfection afterward does not make the service safe.

Question 19Infection Control, Sanitation, and Safety

Which combination correctly pairs a disease with its most common route of transmission relevant to a salon?

  1. Ringworm - transmission only through blood
  2. Common cold - contact with contaminated disinfectant
  3. Tetanus - person-to-person airborne droplets
  4. Hepatitis B - indirect contact with contaminated implements Correct answer.

Explanation

Hepatitis B can be transmitted through indirect contact with blood-contaminated implements that are not properly cleaned and disinfected. This is why single-use or fully disinfected tools are required. The other pairings misstate how those conditions spread.

Question 20Infection Control, Sanitation, and Safety

A licensee must document that a tool was disinfected. Which record is most useful for demonstrating compliance during an inspection?

  1. The client's signature on the service consent form
  2. A note that the tool looked clean
  3. The brand of the tool manufacturer
  4. The product name, the date and time of disinfection, and the initials of the person who performed it Correct answer.

Explanation

A disinfection log that records the product, date, time, and the initials of the person performing the task provides verifiable evidence of compliance. Visual impressions and unrelated paperwork do not show that disinfection occurred. Inspectors rely on such records to confirm procedures.

Question 21Infection Control, Sanitation, and Safety

An esthetician is deciding whether a metal comedone extractor can be reused. Which condition must be met before it is used on another client?

  1. It must be wiped with an alcohol pad and used immediately
  2. It must be stored in a drawer for at least one hour
  3. It must be rinsed under cool water and wiped dry
  4. It must be cleaned and then disinfected with an EPA-registered product for the full contact time Correct answer.

Explanation

Reusable metal implements must first be cleaned of debris and then fully immersed or saturated with an EPA-registered disinfectant for the labeled contact time. Only then can they be used on another client. Rinsing or quick wiping does not meet the disinfection standard.

Question 22Infection Control, Sanitation, and Safety

A salon uses a concentrated disinfectant and an employee prepares it by estimating the amount of water. Why is this a compliance problem?

  1. The label instructions apply only to hospitals
  2. Water quality does not affect disinfectant performance
  3. Estimating may produce a concentration that is too weak to kill pathogens or too strong to be safe Correct answer.
  4. Concentrated products are always prohibited in salons

Explanation

Disinfectants must be diluted exactly as the label directs because concentration determines efficacy and safety. Guessing can leave the solution too weak to kill pathogens or too strong, creating chemical hazards. Following the manufacturer's use dilution is part of proper disinfection.

Question 23Infection Control, Sanitation, and Safety

During a pedicure, a licensee accidentally nicks a client's skin and blood contacts the licensee's bare hand. What is the correct immediate response?

  1. Apply a disinfectant directly to the broken skin
  2. Wipe the hand with a dry towel and put on gloves
  3. Continue the service and wash hands at the end of the day
  4. Stop, wash the exposed hand with soap and water, report the exposure, and follow the salon's exposure control plan Correct answer.

Explanation

After a blood exposure, the licensee should stop, wash the exposed area with soap and water, and follow the written exposure control plan, which includes reporting and any needed follow-up. Prompt washing reduces the risk of transmission. Continuing the service or applying disinfectant to skin is unsafe.

Question 24Infection Control, Sanitation, and Safety

A licensee wants to use a homemade mixture of bleach and water as a disinfectant for tools. Which statement best reflects the requirements?

  1. The mixture can be stored indefinitely in an open container
  2. Bleach may be used undiluted for faster results
  3. The mixture must be prepared and used according to an approved EPA-registered product label, with correct concentration and contact time Correct answer.
  4. Any bleach mixture is acceptable if it smells strong

Explanation

Disinfectants must be EPA-registered and used according to their labels, including the specified concentration and contact time. Improvised mixtures without label directions cannot be assumed effective or safe. Bleach also degrades over time, so storage must follow the label.

Question 25Infection Control, Sanitation, and Safety

A client reports a recent outbreak of cold sores and requests a lip wax. Which reasoning best supports the esthetician's decision to decline?

  1. The client will need a patch test before any waxing
  2. The wax will not adhere well to the skin
  3. Active herpes lesions are contagious and the service could spread the virus and worsen the outbreak Correct answer.
  4. Cold sores only affect the mouth and not the surrounding skin

Explanation

Active cold sores are caused by herpes simplex virus and are highly contagious, so waxing near the lesion risks spreading the virus and aggravating the outbreak. The service should be postponed until the lesions have healed. This is a recognized contraindication in esthetics.

Question 26Infection Control, Sanitation, and Safety

Under New Jersey salon regulations, which item is classified as a single-use implement that must be discarded after one client?

  1. A wooden orange-wood stick used for waxing Correct answer.
  2. A reusable glass mixing bowl
  3. A metal cuticle nipper
  4. A stainless steel comedone extractor

Explanation

Porous materials such as wood cannot be reliably cleaned and disinfected because they absorb moisture, product, and microorganisms, so wooden applicators are treated as single-use items in New Jersey salons. Metal implements, glass bowls, and other nonporous tools may be cleaned, disinfected, and reused when the proper procedures are followed.

Question 27Infection Control, Sanitation, and Safety

An esthetician is preparing a treatment room and needs to disinfect the facial bed and countertop between clients. Which product is appropriate for this environmental surface disinfection?

  1. A UV sanitizing wand passed over the surface twice
  2. An EPA-registered hospital-grade disinfectant used according to its label Correct answer.
  3. A mixture of dish soap and warm water
  4. A 70% isopropyl alcohol wipe left to air-dry for five seconds

Explanation

Environmental surfaces in a salon must be cleaned and then treated with an EPA-registered hospital-grade disinfectant that is mixed and used exactly according to its label, including the stated contact time. Soap and water alone clean but do not disinfect, alcohol wipes are not labeled for hospital-grade surface disinfection unless the product says so, and UV wands are not a substitute for chemical disinfection of work surfaces.

Question 28Infection Control, Sanitation, and Safety

A licensee is cleaning a metal extraction tool after use. Which sequence correctly follows the standard cleaning and disinfection process?

  1. Scrub the tool with soap and water, dry it, then soak it in disinfectant for the labeled contact time Correct answer.
  2. Wipe the tool with a paper towel, then place it in a closed drawer
  3. Soak the tool in disinfectant, then scrub it with soap and water, then store it wet
  4. Disinfect the tool, then rinse it, then scrub it with soap

Explanation

Proper reprocessing requires cleaning first, because soap and water remove blood, oil, and debris that can shield microorganisms or inactivate disinfectant. After cleaning and drying, the implement is fully immersed in an EPA-registered disinfectant for the contact time on the label, then removed and stored clean and dry.

Question 29Infection Control, Sanitation, and Safety

An esthetician is about to perform a facial on a client with a visible cold sore on the lip. What is the most appropriate action to prevent transmission and protect the client?

  1. Double the disinfectant concentration used on the tools afterward
  2. Proceed with the facial but avoid the lip area and wear gloves
  3. Apply a topical anesthetic to the cold sore and continue the service
  4. Reschedule the service until the cold sore has healed and refer the client to a physician if needed Correct answer.

Explanation

Cold sores are caused by herpes simplex virus and are highly contagious while active, so services should be postponed until the lesion has healed to avoid spreading the virus to the esthetician, other clients, or other areas of the client's skin. Increasing disinfectant strength does not make it safe to treat an active viral lesion, and working around the sore still risks contact transmission.

Question 30Infection Control, Sanitation, and Safety

A licensee is evaluating a new disinfectant for the salon. The label states it is EPA-registered and lists a 10-minute contact time. Which additional factor is most important to confirm before using it on metal esthetic tools?

  1. That the product is labeled as a hospital-grade disinfectant effective against the pathogens of concern Correct answer.
  2. That the product is scented to mask chemical odors
  3. That the product can be diluted with tap water to save money
  4. That the product leaves a visible film on the tools

Explanation

An EPA registration alone does not guarantee a product is a hospital-grade disinfectant with the required efficacy spectrum; the label must specifically state hospital-grade status and list effectiveness against relevant pathogens such as bacteria, fungi, and viruses. Contact time, dilution, and use instructions must also be followed exactly as printed, and scent or residue is not a measure of efficacy.

Question 31Anatomy and Physiology of the Skin

Which layer of the skin contains keratinocytes that are actively dividing and pushing older cells toward the surface?

  1. Stratum lucidum
  2. Stratum basale Correct answer.
  3. Stratum corneum
  4. Stratum granulosum

Explanation

The stratum basale is the deepest layer of the epidermis and houses the mitotically active keratinocytes that continuously renew the epidermis. Cells produced here migrate upward and flatten as they mature. The other layers listed contain cells that are already differentiated or dead.

Question 32Anatomy and Physiology of the Skin

A client with a healing wound shows new tissue filling the defect with a red, raised surface. Which process does this describe?

  1. Desquamation
  2. Melanogenesis
  3. Keratinization
  4. Granulation Correct answer.

Explanation

Granulation tissue is the new connective tissue and tiny blood vessels that form on the surface of a healing wound, giving it a red, bumpy appearance. It fills the wound bed before epithelial cells migrate across it. Desquamation, melanogenesis, and keratinization are unrelated to wound fill.

Question 33Anatomy and Physiology of the Skin

Which cell type in the epidermis is responsible for producing melanin pigment?

  1. Melanocyte Correct answer.
  2. Fibroblast
  3. Langerhans cell
  4. Merkel cell

Explanation

Melanocytes reside in the stratum basale and synthesize melanin, which is transferred to surrounding keratinocytes to provide protection from ultraviolet radiation. Langerhans cells are immune cells, Merkel cells are mechanoreceptors, and fibroblasts reside in the dermis.

Question 34Anatomy and Physiology of the Skin

The dermis is primarily composed of which structural proteins that provide strength and elasticity?

  1. Keratin and melanin
  2. Sebum and sweat
  3. Collagen and elastin Correct answer.
  4. Hyaluronic acid and ceramides

Explanation

The dermis is a connective tissue layer rich in collagen, which provides tensile strength, and elastin, which allows the skin to stretch and recoil. These fibers are produced by fibroblasts. Keratin is found in the epidermis, and sebum and sweat are secretions, not structural proteins.

Question 35Anatomy and Physiology of the Skin

A client's skin appears pale and cool with delayed capillary refill after a treatment room becomes cold. Which skin function is most directly responsible for this response?

  1. Sensory perception through nerve endings
  2. Vitamin D synthesis
  3. Thermoregulation through vasoconstriction Correct answer.
  4. Excretion of metabolic waste

Explanation

When the body is cold, dermal blood vessels constrict to conserve heat, reducing blood flow near the surface and causing pale, cool skin. This is a thermoregulatory function of the skin. Sensory perception, vitamin D synthesis, and excretion do not explain the color and temperature change.

Question 36Anatomy and Physiology of the Skin

Which layer of the epidermis is characterized by flattened cells containing keratohyalin granules?

  1. Stratum basale
  2. Stratum granulosum Correct answer.
  3. Stratum corneum
  4. Stratum spinosum

Explanation

The stratum granulosum is named for the keratohyalin granules visible in its cells, which help form the waterproof barrier as cells transition toward the surface. The stratum spinosum has spiny desmosomal connections, the stratum basale contains dividing cells, and the stratum corneum consists of dead flattened cells.

Question 37Anatomy and Physiology of the Skin

Which structure anchors the epidermis to the underlying dermis?

  1. Basement membrane zone Correct answer.
  2. Arrector pili muscle
  3. Sebaceous gland
  4. Hypodermis

Explanation

The basement membrane zone is the junction between the epidermis and dermis that provides structural adhesion and supports nutrient exchange. The hypodermis lies deeper, and the arrector pili muscle and sebaceous gland are appendages not involved in epidermal anchoring.

Question 38Anatomy and Physiology of the Skin

Which type of sweat gland is found in the axillae and becomes active at puberty, producing a thicker secretion?

  1. Ceruminous gland
  2. Apocrine gland Correct answer.
  3. Sebaceous gland
  4. Eccrine gland

Explanation

Apocrine glands are located mainly in the axillae and genital region and become functional at puberty, secreting a thicker fluid into hair follicles. Eccrine glands are widespread and produce watery sweat, sebaceous glands produce sebum, and ceruminous glands produce earwax.

Question 39Anatomy and Physiology of the Skin

A client's skin shows fine lines and reduced elasticity after years of sun exposure. Which dermal change best explains this?

  1. Increased melanocyte density
  2. Degradation of collagen and elastin fibers Correct answer.
  3. Hyperplasia of the eccrine glands
  4. Thickening of the stratum corneum only

Explanation

Chronic ultraviolet exposure damages dermal collagen and elastin, leading to loss of tensile strength and elasticity that manifests as fine lines and sagging. Changes confined to the stratum corneum or gland density do not account for reduced elasticity.

Question 40Anatomy and Physiology of the Skin

Which skin layer contains adipose tissue that provides insulation and cushioning?

  1. Stratum basale
  2. Papillary dermis
  3. Hypodermis Correct answer.
  4. Reticular dermis

Explanation

The hypodermis, also called the subcutaneous layer, is composed largely of adipose tissue that insulates the body and cushions underlying structures. The papillary and reticular dermis are connective tissue layers, and the stratum basale is the deepest epidermal layer.

Question 41Anatomy and Physiology of the Skin

Which pigment, produced by melanocytes, protects keratinocyte DNA from ultraviolet damage?

  1. Bilirubin
  2. Melanin Correct answer.
  3. Hemoglobin
  4. Carotene

Explanation

Melanin absorbs ultraviolet radiation and shields keratinocyte DNA from damage, which is why increased pigmentation develops after sun exposure. Hemoglobin and bilirubin contribute to skin color but do not provide this photoprotection, and carotene is a dietary pigment.

Question 42Anatomy and Physiology of the Skin

A client receiving a facial with exfoliation has very thin skin over the nose and cheeks from long-term topical corticosteroid use. Which epidermal change is most likely present?

  1. Atrophy of the epidermis Correct answer.
  2. Hyperplasia of the sebaceous glands
  3. Hyperkeratosis of the epidermis
  4. Acanthosis of the epidermis

Explanation

Prolonged topical corticosteroid use thins the skin by reducing epidermal cell turnover and dermal collagen, producing epidermal atrophy. Thin, fragile skin is more susceptible to irritation from exfoliation. Hyperkeratosis, acanthosis, and sebaceous hyperplasia describe thickening or enlargement, not thinning.

Question 43Anatomy and Physiology of the Skin

Which sensory receptor in the skin is primarily responsible for detecting light touch and pressure?

  1. Meissner corpuscle Correct answer.
  2. Free nerve ending
  3. Pacinian corpuscle
  4. Ruffini ending

Explanation

Meissner corpuscles are located in the papillary dermis and are highly sensitive to light touch and low-frequency vibration. Pacinian corpuscles detect deep pressure and high-frequency vibration, free nerve endings detect pain and temperature, and Ruffini endings detect stretch.

Question 44Anatomy and Physiology of the Skin

During a skin analysis, a client's skin feels tight and shows fine flakes despite an oily T-zone. Which underlying condition best describes this presentation?

  1. Sensitized skin
  2. Hyperkeratotic skin
  3. Dehydrated skin Correct answer.
  4. Seborrheic skin

Explanation

Dehydration reflects a lack of water in the stratum corneum, which can occur even when sebum production is high, producing tightness and flaking alongside an oily T-zone. Seborrhea involves excess oil, hyperkeratosis involves thickening, and sensitization involves reactivity, none of which specifically explain water-deficient flaking with oiliness.

Question 45Anatomy and Physiology of the Skin

Which layer of the hair follicle contains the actively dividing cells that produce the hair shaft?

  1. Hair bulb matrix Correct answer.
  2. Arrector pili muscle
  3. Hair medulla
  4. Hair cuticle

Explanation

The hair bulb matrix at the base of the follicle contains rapidly dividing cells that differentiate into the hair shaft. The cuticle is the outer protective layer, the medulla is the central core, and the arrector pili muscle moves the hair.

Question 46Anatomy and Physiology of the Skin

Which function of the skin is demonstrated when a person sweats during exercise on a hot day?

  1. Thermoregulation Correct answer.
  2. Protection from pathogens
  3. Synthesis of vitamin D
  4. Sensory perception

Explanation

Sweating cools the body through evaporation, which is a key thermoregulatory function of the skin. Protection, sensation, and vitamin D synthesis are separate functions not directly demonstrated by sweating in response to heat.

Question 47Anatomy and Physiology of the Skin

The acid mantle of the skin is primarily maintained by which combination of substances?

  1. Adipose tissue and blood
  2. Melanin and keratin
  3. Collagen and elastin
  4. Sebum and sweat Correct answer.

Explanation

The acid mantle is a slightly acidic film formed by sebum mixed with sweat and other secretions on the skin surface, helping to inhibit microbial growth and maintain barrier function. Collagen, elastin, melanin, keratin, and adipose tissue do not create this surface film.

Question 48Anatomy and Physiology of the Skin

Which statement best describes the blood supply of the papillary dermis?

  1. It is supplied solely by the stratum basale
  2. It contains only lymphatic vessels
  3. It is avascular and relies on diffusion from the hypodermis
  4. It contains capillary loops that supply nutrients to the epidermis Correct answer.

Explanation

The papillary dermis contains a network of capillary loops that deliver oxygen and nutrients to the epidermis, which itself lacks blood vessels. Diffusion occurs from these dermal capillaries rather than from the hypodermis or the epidermis itself.

Question 49Anatomy and Physiology of the Skin

Which change in the skin is a normal consequence of aging?

  1. Hyperplasia of eccrine glands with increased sweating
  2. Increased melanocyte number with uniform pigmentation
  3. Decreased collagen production and thinning of the dermis Correct answer.
  4. Increased sebum production and thickening of the dermis

Explanation

Aging reduces fibroblast activity, so collagen and elastin production decline and the dermis thins, contributing to wrinkles and laxity. Sebum production typically decreases, pigmentation often becomes uneven, and sweat gland function tends to decline rather than increase.

Question 50Anatomy and Physiology of the Skin

A client has a lesion that involves only the epidermis and heals without scarring. Which characteristic best explains the lack of scarring?

  1. Melanocytes migrate to fill the defect
  2. The epidermis contains no blood supply so no clot forms
  3. The dermis is replaced by adipose tissue
  4. Epidermal cells regenerate from the stratum basale without deep collagen remodeling Correct answer.

Explanation

Superficial epidermal injuries heal by regeneration from basal keratinocytes, restoring the normal architecture without the collagen remodeling that produces scars in deeper dermal wounds. The absence of blood vessels in the epidermis does not itself prevent scarring, and adipose tissue and melanocytes do not replace the defect.