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LA Nail Technician practice questions

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Question 1Infection Control, Sanitation, Disinfection and Safety

How long should a nail technician scrub their hands with soap and water before beginning a service?

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

Explanation

Vigorous handwashing with soap and water for at least 20 seconds lifts and rinses away transient microorganisms and soil. Hands should be washed before and after every client and again after removing gloves.

Question 2Infection Control, Sanitation, Disinfection and Safety

Which term describes the process that destroys most disease-producing microorganisms on a nonporous surface but does not necessarily destroy bacterial spores?

  1. Disinfection Correct answer.
  2. Sanitization
  3. Sterilization
  4. Decontamination

Explanation

Disinfection uses an EPA-registered chemical agent on nonporous surfaces to kill most pathogens, but spores may survive. Sterilization destroys all microbial life, while sanitization only reduces counts to a safe level.

Question 3Infection Control, Sanitation, Disinfection and Safety

Which of these items must be discarded after one client because it cannot be adequately disinfected?

  1. Glass dappen dish
  2. Emery board Correct answer.
  3. Metal cuticle pusher
  4. Stainless steel cuticle nipper

Explanation

Porous items such as emery boards, buffers, and wooden sticks absorb moisture and debris and cannot be reliably cleaned and disinfected. They are treated as single-use and thrown away after each client.

Question 4Infection Control, Sanitation, Disinfection and Safety

When must a nail technician change gloves during the workday?

  1. Only when the gloves are visibly soiled with product
  2. At the end of the shift only
  3. After every second client if the gloves look clean
  4. Between every client and any time a glove is torn or contaminated Correct answer.

Explanation

Gloves are single-use barriers; they must be replaced between clients and immediately after any tear, puncture, or contact with blood or body fluids. Wearing the same pair from client to client transfers microorganisms.

Question 5Infection Control, Sanitation, Disinfection and Safety

While filing, you accidentally nick the client's skin and it begins to bleed. What should you do first?

  1. Stop the service, put on clean gloves if not already wearing them, and clean and bandage the wound Correct answer.
  2. Continue the service and wipe the blood away with acetone
  3. Finish the service and tell the client to treat the cut at home
  4. Pour salon disinfectant over the cut

Explanation

Any service stops at the first sign of blood so the wound can be cared for with gloves on and covered with a bandage. Contaminated implements and porous items are then handled as contaminated waste and the work area is disinfected.

Question 6Infection Control, Sanitation, Disinfection and Safety

How does a technician determine how long reusable implements must stay submerged in a disinfectant?

  1. By soaking them for a standard 30 minutes set by state law
  2. By following the contact time printed on the product label Correct answer.
  3. By soaking them until the next client arrives
  4. By judging when the solution becomes cloudy

Explanation

Each disinfectant is tested and registered with a specific contact time, and the label directions are the legal and practical standard for use. Soaking for less than the labeled time may not achieve the claimed microbial kill.

Question 7Infection Control, Sanitation, Disinfection and Safety

Which work surface is nonporous and can be disinfected between clients?

  1. Wooden orangewood stick
  2. Cotton towel
  3. Stainless steel manicure table top Correct answer.
  4. Terry cloth arm rest

Explanation

Nonporous surfaces such as stainless steel, glass, and hard plastic do not absorb liquids, so a disinfectant can contact the entire surface and kill organisms. Porous materials trap debris and moisture and cannot be reliably disinfected.

Question 8Infection Control, Sanitation, Disinfection and Safety

Which document contains information about the hazards, safe handling, and first aid for a chemical product used in the salon?

  1. The Safety Data Sheet (SDS) Correct answer.
  2. The salon license
  3. The client intake card
  4. The product invoice

Explanation

The Safety Data Sheet is supplied by the manufacturer and lists a product's hazards, safe handling, storage, and first aid measures. Technicians should know where the SDS binder is kept and how to use it.

Question 9Infection Control, Sanitation, Disinfection and Safety

Before a metal implement is placed into disinfectant, it must be:

  1. wiped with a dry paper towel only
  2. rinsed briefly under cold water
  3. sprayed with alcohol and put away
  4. scrubbed with soap and water and dried Correct answer.

Explanation

Disinfectants are inactivated by blood, oil, and product residue, so implements must be cleaned with soap and water and dried first. Skipping this step means the disinfectant cannot reach the surface and kill organisms.

Question 10Infection Control, Sanitation, Disinfection and Safety

A disinfectant solution in the soaking jar is cloudy and contains visible debris. The technician should:

  1. Top it off with fresh concentrate
  2. Discard it and prepare a fresh solution Correct answer.
  3. Strain it through a paper towel and reuse it
  4. Use it only on pedicure implements

Explanation

Cloudiness and debris mean the solution has been diluted by organic matter and can no longer be relied on for microbial kill. The jar is emptied, cleaned, and refilled with a freshly prepared solution at the labeled dilution.

Question 11Infection Control, Sanitation, Disinfection and Safety

How should disinfected implements be stored before use?

  1. In a cloth towel folded on the station
  2. In the same drawer as soiled tools
  3. In an open tray on the work table
  4. In a clean, covered container or closed cabinet separate from soiled items Correct answer.

Explanation

Clean implements must be protected from dust, spills, and contact with contaminated items, so a covered container or closed cabinet is used. Clean and soiled items are always kept physically separated.

Question 12Infection Control, Sanitation, Disinfection and Safety

Why does the CDC recommend that nail technicians be offered the hepatitis B vaccination?

  1. Because it protects clients from acetone exposure
  2. Because the job involves possible contact with blood and body fluids Correct answer.
  3. Because the vaccine prevents fungal nail infections
  4. Because it is required before licensure in every state

Explanation

Hepatitis B spreads through contact with blood and body fluids, which can occur with cuts, nicks, and needlesticks during nail services. Vaccination protects the technician and reduces transmission risk to clients.

Question 13Infection Control, Sanitation, Disinfection and Safety

An electrical appliance at the pedicure station gives a mild shock when touched. The technician should:

  1. Wrap the cord with tape and continue
  2. Wear rubber-soled shoes and keep working
  3. Plug it into an extension cord across the room
  4. Stop using it and have the outlet and equipment checked by a qualified person Correct answer.

Explanation

Even a mild shock signals a fault that could escalate into a serious injury or fire, so the equipment is taken out of service until inspected. Salons should have ground-fault circuit interrupter protection near water sources.

Question 14Infection Control, Sanitation, Disinfection and Safety

A client develops red, itchy, swollen skin around the nails a day after a liquid monomer is applied. This reaction most likely indicates:

  1. A bacterial infection
  2. Normal curing of the product
  3. A fungal infection
  4. An allergic reaction to a product ingredient Correct answer.

Explanation

Itching, redness, and swelling shortly after exposure to methacrylate products are hallmarks of allergic contact dermatitis. The product should be removed, the skin kept clean, and the client referred for medical evaluation.

Question 15Infection Control, Sanitation, Disinfection and Safety

How should used razor blades and other sharp implements be discarded?

  1. Returned to the drawer with clean tools
  2. Placed in a puncture-resistant sharps container Correct answer.
  3. Placed in a plastic bag with the used towels
  4. Wrapped in a paper towel and placed in the trash

Explanation

Sharps go into a rigid, puncture-resistant, labeled container that prevents injury to staff and custodial workers. The container is sealed and disposed of according to local regulations when full.

Question 16Infection Control, Sanitation, Disinfection and Safety

How should soiled towels and linens be handled?

  1. Kept in a closed container away from clean supplies until laundered Correct answer.
  2. Shaken out and reused for the next client
  3. Rinsed in the hand sink and hung to dry
  4. Stored in the same bin as clean linens

Explanation

Soiled linens are held in a closed, designated container separate from clean supplies and laundered before reuse. Shaking or rinsing them disperses microorganisms and contaminates sinks and surfaces.

Question 17Infection Control, Sanitation, Disinfection and Safety

A client arrives with an open, weeping sore on the hand and requests a manicure. The technician should:

  1. Double-glove and perform the service quickly
  2. Cover the sore with a bandage and proceed
  3. Decline the service and refer the client to a physician Correct answer.
  4. Apply disinfectant to the sore and continue

Explanation

Services are not performed on skin with an open, weeping, or visibly infected lesion because of the risk of spreading infection to the client, the technician, and other clients. The client is referred for medical care and may be served once the area has healed.

Question 18Infection Control, Sanitation, Disinfection and Safety

A spray bottle of disinfectant prepared at the salon should be:

  1. Labeled with the product name and the date it was mixed Correct answer.
  2. Left unlabeled so clients do not know what it is
  3. Filled with water when not in use
  4. Labeled only if it is stored in the reception area

Explanation

Secondary containers must be labeled with the contents and the date of preparation so staff use the correct product and know when it has expired. Unlabeled bottles invite misuse and chemical accidents.

Question 19Infection Control, Sanitation, Disinfection and Safety

Reusable nail drill bits should be:

  1. Wiped with alcohol between clients
  2. Sprayed with polish remover and stored in a drawer
  3. Cleaned and then disinfected or sterilized according to the manufacturer's directions Correct answer.
  4. Brushed clean and reused immediately

Explanation

Drill bits contact skin, dust, and possible blood, so they are scrubbed free of debris and then processed with a disinfectant or sterilizer per label directions. Alcohol wipes alone are not an adequate disinfection step.

Question 20Infection Control, Sanitation, Disinfection and Safety

Which method destroys all microorganisms, including bacterial spores, on metal implements?

  1. Soaking in a quaternary ammonium disinfectant
  2. Wiping with 70% isopropyl alcohol
  3. Steam sterilization in an autoclave Correct answer.
  4. Exposure to a UV lamp

Explanation

Sterilization destroys all microbial life, including spores, and an autoclave achieves this with pressurized steam. Chemical disinfectants and UV lamps are lower-level processes that may leave spores intact.

Question 21Infection Control, Sanitation, Disinfection and Safety

Outbreaks of painful boils on the legs of pedicure clients have been traced to which organism when whirlpool foot spas are not properly cleaned?

  1. Human immunodeficiency virus
  2. Mycobacterium fortuitum Correct answer.
  3. Hepatitis B virus
  4. Candida albicans

Explanation

Nontuberculous mycobacteria such as Mycobacterium fortuitum grow in biofilms inside foot spa recirculation systems and resist many disinfectants. Basins must be drained, scrubbed, and disinfected after every client, with the screen and internal parts cleaned as directed.

Question 22Infection Control, Sanitation, Disinfection and Safety

Which treatment is appropriate for a reusable metal implement that has been contaminated with blood?

  1. Rinsing it under hot running water for one minute and drying it with a towel
  2. Cleaning it, then disinfecting with a tuberculocidal hospital disinfectant or bleach solution Correct answer.
  3. Wiping it with a quaternary ammonium spray and returning it to the drawer
  4. Placing it under an ultraviolet lamp for ten minutes between clients

Explanation

Bloodborne pathogens require a disinfectant with a tuberculocidal claim, or a freshly prepared bleach dilution used per label directions, after the item is cleaned. Quaternary ammonium products and UV light do not carry the required bloodborne pathogen claim.

Question 23Infection Control, Sanitation, Disinfection and Safety

Which microbial form is the most resistant to chemical disinfection and typically requires sterilization to destroy?

  1. Vegetative bacteria
  2. Enveloped viruses
  3. Yeast cells
  4. Bacterial endospores Correct answer.

Explanation

Endospores are dormant, highly resistant structures formed by some bacteria and survive many disinfectants and harsh conditions. Destroying them requires sterilization processes such as the pressurized steam of an autoclave.

Question 24Infection Control, Sanitation, Disinfection and Safety

A technician is stuck by a contaminated cuticle nipper and the skin bleeds. What is the most appropriate immediate action?

  1. Soak the finger in the pedicure bowl for ten minutes
  2. Wash with soap and water, then report per the exposure plan Correct answer.
  3. Squeeze the wound and pour disinfectant directly into it
  4. Bandage it and finish the client before reporting

Explanation

A puncture or cut from a contaminated implement is an exposure incident: wash the site with soap and water, then report it promptly so post-exposure evaluation can be arranged. Squeezing, applying salon chemicals, or delaying care increases risk.

Question 25Infection Control, Sanitation, Disinfection and Safety

Why is local exhaust ventilation recommended at the manicure table?

  1. To remove vapors and dust from the technician's breathing zone Correct answer.
  2. To speed up the drying of polish
  3. To sterilize implements between clients
  4. To keep the treatment room at a comfortable temperature

Explanation

Local exhaust captures airborne solvent vapors and filing dust at the source before they reach the technician's breathing zone. Good general ventilation plus source capture reduces inhalation and irritation risks.

Question 26Infection Control, Sanitation, Disinfection and Safety

Which item must be discarded after it is used on a single client?

  1. An emery board Correct answer.
  2. A metal cuticle nipper
  3. A glass soaking bowl
  4. A stainless steel cuticle pusher

Explanation

Porous items such as emery boards, orange-wood sticks, and cotton cannot be cleaned and disinfected reliably, so they are used once and thrown away. Nonporous items such as metal and glass can be cleaned, disinfected, and reused.

Question 27Infection Control, Sanitation, Disinfection and Safety

A cotton ball saturated with blood from a nicked cuticle should be placed:

  1. in the sharps container used for discarded razor blades
  2. down the drain of the sink with running water
  3. in a closed biohazard bag inside a lidded container Correct answer.
  4. in the open wastebasket kept beside the manicure table

Explanation

Items saturated with blood are potentially infectious and must go into a labeled biohazard bag inside a container with a lid, so no one contacts them. Ordinary open wastebaskets and plumbing are not acceptable for blood-contaminated waste.

Question 28Infection Control, Sanitation, Disinfection and Safety

Single-use gloves worn during a manicure should be:

  1. worn until they show visible tears
  2. washed with soap and reused for the next client
  3. worn over reusable cotton gloves
  4. removed and replaced between clients Correct answer.

Explanation

Gloves are a single-use barrier; once they have touched a client, they are contaminated and must be discarded before the next client. Washing or reusing them defeats the purpose of the barrier.

Question 29Infection Control, Sanitation, Disinfection and Safety

Salon chemicals should be stored:

  1. in smaller containers to save shelf space
  2. in unmarked spray bottles at each manicure station
  3. near the pedicure area for quick access
  4. in original labeled containers, away from heat Correct answer.

Explanation

Chemicals stay in their original containers with the manufacturer's label so that anyone can identify the product, its hazards, and its first-aid directions. They also belong in a designated area away from heat, flames, and client traffic.

Question 30Infection Control, Sanitation, Disinfection and Safety

The EPA registration number printed on a salon disinfectant label indicates that the product:

  1. has been approved by the FDA for use on human skin
  2. is guaranteed to sterilize all implements within one minute
  3. is registered for the uses and organisms listed on its label Correct answer.
  4. meets OSHA requirements for salon ventilation systems

Explanation

A disinfectant registered with the EPA may legally make only the claims supported by its registration, so the label lists the organisms it kills and how it must be used. Reading those claims tells the technician whether the product suits the task at hand.

Question 31Infection Control, Sanitation, Disinfection and Safety

A technician wants a stronger disinfectant and considers adding bleach to the soaking jar. The technician should:

  1. mix two brands together to widen the spectrum
  2. double the concentrate to shorten the soaking time
  3. add a small amount of bleach to boost the killing power
  4. follow label directions and never combine products Correct answer.

Explanation

Disinfectants are formulated and tested at the dilution on the label, and mixing in other chemicals can make the solution less effective or release dangerous fumes. Only combinations specifically directed by the manufacturer are acceptable.

Question 32Infection Control, Sanitation, Disinfection and Safety

A label instructs the technician to mix 1 part disinfectant with 9 parts water. To prepare 1,000 mL of solution, the technician combines:

  1. 900 mL of disinfectant and 100 mL of water
  2. 10 mL of disinfectant and 990 mL of water
  3. 100 mL of disinfectant and 900 mL of water Correct answer.
  4. 500 mL of disinfectant and 500 mL of water

Explanation

A 1-to-9 ratio makes 10 total parts, so each part is 100 mL of the 1,000 mL batch. That yields 100 mL of concentrate plus 900 mL of water, exactly as labeled.

Question 33Infection Control, Sanitation, Disinfection and Safety

Disinfectant splashes into the technician's eye. The technician should immediately:

  1. flush the eye with water and seek medical advice Correct answer.
  2. apply a soothing eye drop and continue the service
  3. rub the eye gently with a clean tissue
  4. wait to see whether redness develops

Explanation

Chemical splashes in the eye are irrigated with a gentle stream of clean, lukewarm water for the time stated on the product label, then evaluated by a medical professional. Prompt flushing limits tissue damage.

Question 34Infection Control, Sanitation, Disinfection and Safety

An alcohol-based hand sanitizer is appropriate for hand hygiene when the hands are:

  1. not visibly soiled and no sink is available Correct answer.
  2. sticky with product from the previous client
  3. covered with nail dust and filings
  4. soiled with blood from a nicked cuticle

Explanation

Sanitizers reduce organisms on lightly contaminated hands, but they cannot penetrate visible soil. When hands are visibly dirty or contaminated with blood or product, soap and running water are required.

Question 35Infection Control, Sanitation, Disinfection and Safety

Standard Precautions require the technician to treat which body fluids as potentially infectious?

  1. Fluids from clients who disclose an infection
  2. Blood and all other body fluids of every client Correct answer.
  3. Only blood that is visible on the skin or tools
  4. Only fluids that test positive for a pathogen

Explanation

Standard Precautions assume that all blood and body fluids from every person may carry bloodborne pathogens. Precautions are therefore applied uniformly, regardless of what a client says or how the fluids look.

Question 36Infection Control, Sanitation, Disinfection and Safety

A client's nail plate shows a dark green discoloration under an artificial nail. The technician should:

  1. stop and refer the client to a physician Correct answer.
  2. file the surface and proceed with a new set
  3. apply a stronger primer and seal the nail
  4. clean the area with alcohol and continue

Explanation

Green-black discoloration under an enhancement suggests a bacterial or fungal infection, which is outside the scope of a nail technician's practice. The service is stopped and the client is referred for medical evaluation.

Question 37Infection Control, Sanitation, Disinfection and Safety

To avoid contaminating a jar of cream used on several clients, the technician should:

  1. keep the jar open so the product stays soft
  2. use a clean spatula and take only what is needed Correct answer.
  3. return unused product from the hand to the jar
  4. dip freshly washed fingers directly into the jar each time

Explanation

A clean spatula removes product without introducing organisms from skin, and taking only the amount needed avoids returning contaminated cream to the container. Shared containers stay clean when nothing that has touched a client goes back in.

Question 38Infection Control, Sanitation, Disinfection and Safety

Which statement best explains why 70% isopropyl alcohol is not used as the salon's implement disinfectant?

  1. It is ineffective against bacteria on any surface
  2. It evaporates too quickly to satisfy a labeled contact time Correct answer.
  3. It corrodes stainless steel implements on contact
  4. It is banned for use in salons by the EPA

Explanation

Alcohol is a low-level agent, and in an open soaking jar it evaporates rapidly, so implements cannot reliably remain wet for the contact time a hospital-grade product requires. It also lacks the tuberculocidal activity expected of an implement disinfectant.

Question 39Infection Control, Sanitation, Disinfection and Safety

A recurring buildup of residue inside the jets of a whirlpool foot spa is a concern mainly because:

  1. it makes the water appear cloudy during service
  2. it clogs the pump and voids the salon's liability coverage
  3. it changes the temperature of the soaking water
  4. a biofilm shields bacteria from disinfectants Correct answer.

Explanation

Residue inside the plumbing supports a biofilm, a slimy layer that protects embedded organisms from cleaners and disinfectants. That is why the manufacturer's drain-and-circulate cleaning steps must be followed after each client.

Question 40Infection Control, Sanitation, Disinfection and Safety

A hospital-grade disinfectant with a tuberculocidal claim is often recommended for salon implements mainly because it:

  1. leaves a protective coating that prevents rust
  2. removes visible debris from implements without scrubbing
  3. sterilizes implements and makes autoclaving unnecessary
  4. kills organisms that are harder to destroy than most bacteria Correct answer.

Explanation

A tuberculocidal claim means the product destroys Mycobacterium, whose waxy cell wall resists many low-level disinfectants. A product that meets that standard also covers the bloodborne pathogens of concern in a salon.

Question 41Manicuring and Pedicuring Services

Which protein is the primary structural component of the natural nail plate?

  1. Melanin
  2. Collagen
  3. Keratin Correct answer.
  4. Calcium

Explanation

The nail plate is made mostly of tightly packed keratinized cells produced by the matrix. Collagen is the main protein of connective tissue, melanin provides pigment, and calcium is a mineral rather than the nail's structural protein.

Question 42Manicuring and Pedicuring Services

Which implement is designed to gently push back the cuticle during a manicure?

  1. Cuticle pusher Correct answer.
  2. Buffing block
  3. Emery board
  4. Metal cuticle nipper

Explanation

A cuticle pusher has a rounded or angled edge that gently moves the cuticle back without cutting living tissue. Nippers are for trimming, files shape the free edge, and buffers smooth the nail plate.

Question 43Manicuring and Pedicuring Services

What should the technician do before beginning any manicure service?

  1. Sanitize hands and inspect the client's hands Correct answer.
  2. File the nails in a back-and-forth motion
  3. Soak the client's hands in cold water
  4. Apply two coats of colored polish to the nails

Explanation

Hand hygiene and a visual inspection of the client's skin and nails come first, so the technician can identify contraindications before starting. Polish and filing are later steps, and cold water does not soften tissue effectively.

Question 44Manicuring and Pedicuring Services

Which nail shape has curved sides and a rounded free edge that follows the natural contour of the fingertip?

  1. Oval Correct answer.
  2. Stiletto
  3. Square
  4. Coffin

Explanation

An oval nail is rounded at the free edge and gently curved along the sides, mirroring the fingertip's natural shape. Square, coffin, and stiletto shapes have straighter sides or deliberately pointed or flat tips.

Question 45Manicuring and Pedicuring Services

What is the main purpose of applying a base coat before nail polish?

  1. To protect the nail plate and help polish adhere Correct answer.
  2. To seal moisture into the polish layer
  3. To add glitter, shimmer, and texture to the polish
  4. To accelerate the drying time of the top coat

Explanation

A base coat creates a smooth bonding layer that helps color adhere and helps prevent the nail plate from staining. Glitter and texture come from specialty polishes, and the top coat provides the final seal and shine.

Question 46Manicuring and Pedicuring Services

What is the appropriate water temperature for a pedicure foot soak?

  1. Hot enough to redden the skin
  2. Boiling water straight from the kettle
  3. Warm and comfortable to the client's skin Correct answer.
  4. Ice cold water with Epsom salts

Explanation

Warm water softens calluses and relaxes the client without risking a burn. Water that is boiling, reddening, or icy can damage tissue or cause discomfort, especially for clients with reduced sensation.

Question 47Manicuring and Pedicuring Services

Which of these implements may be cleaned and disinfected and then reused on another client?

  1. Disposable emery board
  2. Stainless steel cuticle nipper Correct answer.
  3. Cotton ball
  4. Single-use wooden orangewood stick

Explanation

Nonporous metal implements such as stainless steel nippers can be cleaned, disinfected, and reused following label directions. Porous items like emery boards, cotton, and wood absorb moisture and debris and must be discarded after use.

Question 48Manicuring and Pedicuring Services

What is the name of the living skin at the base of the nail plate that seals the nail fold?

  1. Eponychium Correct answer.
  2. Lunula
  3. Free edge
  4. Hyponychium

Explanation

The eponychium is the living skin at the proximal nail fold that forms a seal against infection. The lunula is the pale half-moon, the hyponychium lies under the free edge, and the free edge extends beyond the fingertip.

Question 49Manicuring and Pedicuring Services

How should a natural nail be filed to help prevent splitting and peeling?

  1. Back and forth in a sawing motion
  2. In small circles around the free edge
  3. In one direction toward the center Correct answer.
  4. Across the tip in both directions

Explanation

Filing in one direction from the side toward the center smooths the edge and limits stress on the nail layers. Sawing or circular motions create friction that can split and peel the free edge.

Question 50Manicuring and Pedicuring Services

A client arrives with a red, swollen, painful ingrown toenail. What is the technician's best course of action?

  1. Soak the toe and trim the ingrown corner with nippers
  2. Cut a V-shaped notch into the toenail to relieve pressure
  3. Push the skin away from the nail and apply polish
  4. Refuse the pedicure and refer the client to a physician Correct answer.

Explanation

An ingrown toenail with redness, swelling, and pain suggests infection, which is outside the technician's scope. The client should be referred for medical care rather than having the area manipulated.