Eyelash Extension Specialist Theory

Which OSHA standard specifically governs occupational exposure to blood and other potentially infectious materials in an eyelash extension studio?

• AOSHA Bloodborne Pathogens Standard (29 CFR 1910.1030)
• BOSHA Hazard Communication Standard
• COSHA Respiratory Protection Standard
• DOSHA Walking-Working Surfaces Standard

What is the key difference between disinfection and sterilization of lash tools?

• ADisinfection only cleans visible debris while sterilization removes debris
• BSterilization destroys all microbial life including spores, while disinfection kills most…
• CDisinfection requires heat while sterilization requires only chemicals
• DThey are interchangeable terms for the same process

Before a disinfectant can be considered acceptable for use on lash implements in a professional setting, it should be:

• ADiluted with tap water until odorless
• BApproved only by the manufacturer of the tweezers
• CEPA-registered as hospital-grade with bactericidal, virucidal, and fungicidal claims
• DMixed fresh with rubbing alcohol each morning

Which item used during lash application is considered single-use and must be discarded after one client?

• AStainless steel isolation tweezers
• BGlass adhesive stone
• CJade stone for adhesive
• DDisposable micro-applicator (microbrush) used to apply primer

What is the single most effective routine practice for preventing the spread of infection in a lash studio?

• AProper hand hygiene (handwashing or hand sanitizing) before and after each client
• BWearing a lab coat at all times
• CSpraying the room with air freshener
• DAsking clients to remove their shoes

If a client's eyelid skin is accidentally nicked with a tweezer and bleeds slightly, the technician should first:

• AContinue the service to avoid wasting product
• BStop the service, put on gloves, and follow the blood-exposure procedure
• CApply lash adhesive to seal the wound
• DRinse the eye with adhesive remover

Why must lash adhesive containers be stored upright with the lid tightly closed in a cool, dry place?

• ATo prevent the bottle from changing color
• BBecause the adhesive is flammable when refrigerated
• CBecause cyanoacrylate adhesive cures in the presence of moisture and degrades with heat a…
• DTo make the bottle easier to find

Which workstation setup practice best supports infection control during a lash service?

• APlacing reused cotton pads in a shared open jar
• BStoring dirty tweezers next to clean ones to save space
• CUsing the same gel eye pads on multiple clients
• DCovering the treatment bed with a fresh, clean barrier (sheet or disposable cover) for ea…

An autoclave sterilizes lash implements primarily by using:

• APressurized saturated steam at high temperature
• BUltraviolet light only
• CRoom-temperature chemical soak
• DDry cotton wiping

Why should the lash technician's workstation have adequate ventilation or fume control?

• ATo keep the client warm
• BBecause cyanoacrylate fumes can irritate the eyes, skin, and respiratory tract
• CBecause adhesive must be kept above 30°C to work
• DTo dry the client's hair

Contaminated single-use items such as bloodied gauze should be disposed of in a:

• ARegular open trash can at the front desk
• BRecycling bin
• CLabeled biohazard (sharps or red bag) container
• DClient's personal bag

After cleaning visible debris off tweezers, what must happen before they are considered safe for the next client?

• ANothing further; cleaning alone is sufficient
• BThey must be rinsed in tap water only
• CThey must be wiped with a dry paper towel
• DThey must be disinfected for the full label contact time with an EPA-registered disinfect…

What is the correct first response if lash adhesive accidentally gets into a client's eye?

• AFlush the eye gently with sterile saline or water and seek medical attention
• BTell the client to keep the eye closed and rub it
• CApply more adhesive remover directly into the eye
• DWait to see if the irritation resolves on its own

Which statement about an alcohol-based hand sanitizer is correct for lash studio use?

• AIt works best at 10% alcohol concentration
• BIt is effective for hand antisepsis when hands are not visibly soiled, typically at 60-95…
• CIt sterilizes the hands completely
• DIt can replace washing hands after contact with blood

Why are gel under-eye pads considered a contraindication for reuse on another client?

• AThey are too expensive to throw away
• BThey lose their color after one use
• CThey are porous, single-use items that contact the eye area and cannot be disinfected
• DThey are made of metal

An exposure control plan under the OSHA Bloodborne Pathogens Standard must include all of the following EXCEPT:

• AProcedures for evaluating exposure incidents
• BMethods of compliance such as universal precautions
• CEmployee training requirements
• DA guaranteed list of clients who have infectious diseases

Universal (standard) precautions instruct the lash technician to treat:

• AAll human blood and certain body fluids as if they are infectious
• BOnly blood from clients who appear ill as infectious
• COnly the technician's own blood as infectious
• DNo fluids as infectious if the client looks healthy

Which practice reduces the technician's risk of developing a cyanoacrylate sensitivity over time?

• AUsing as much adhesive as possible per lash
• BWorking in a well-ventilated area and using minimal adhesive with proper technique
• CSkipping handwashing to save time
• DStoring adhesive open on the workstation all day

What information does a Safety Data Sheet (SDS) for lash adhesive primarily provide?

• AClient appointment scheduling instructions
• BThe retail price of the adhesive
• CHazard identification, first-aid measures, handling, storage, and exposure controls for t…
• DMarketing claims about lash retention

Which of the following is the correct order of the decontamination process for reusable lash tools?

• ADisinfect, then clean, then store
• BStore, then clean, then disinfect
• CSterilize, then clean, then use immediately
• DClean (remove debris), then disinfect or sterilize, then store properly

Why should a lash technician avoid touching their face, phone, or hair during a service without re-sanitizing?

• AIt can transfer microorganisms to the hands and then to the client's eye area
• BIt looks unprofessional only
• CIt dries out the adhesive faster
• DIt changes the lash curl

A client reports redness, swelling, and itching of the eyelids 24 hours after a lash service. The technician should advise the client to:

• AApply more lash adhesive to seal the area
• BDiscontinue irritation, seek medical advice if severe, and consider safe removal of the e…
• CRub the eyes vigorously to relieve itching
• DIgnore the symptoms as normal for everyone

Which structure secretes the oily (lipid) layer of the tear film and lies along the eyelid margin?

• ALacrimal gland
• BCiliary body
• CMeibomian glands
• DConjunctival goblet cells

The eyelashes grow from follicles located in which layer of the eyelid?

• AThe cornea
• BThe lacrimal sac
• CThe vitreous body
• DThe skin at the eyelid margin (lash line), anterior to the tarsal plate

Which of the following correctly describes the three lash lines used in lash mapping terminology?

• AUpper, middle, and lower lid lines based on lash position depth at the lid margin
• BInner, vitreous, and outer lines
• CAnagen, catagen, and telogen lines
• DRed, green, and blue lines

The clear, dome-shaped front surface of the eye that should never contact lash adhesive is the:

• ASclera
• BCornea
• CIris
• DTarsal plate

The thin, transparent membrane that covers the white of the eye and lines the inside of the eyelids is the:

• ARetina
• BChoroid
• CConjunctiva
• DCornea

Approximately how many eyelashes are typically found on a healthy adult UPPER eyelid?

• AAbout 5-10
• BAbout 500-700
• CAbout 1,000-2,000
• DAbout 90-160

The lacrimal gland is primarily responsible for producing:

• AThe watery (aqueous) component of tears
• BThe oily layer of the tear film
• CEyelash pigment
• DThe lens of the eye

Which natural lash characteristic most directly limits how heavy an extension can safely be applied?

• AThe client's hair color
• BThe diameter and health of the natural lash
• CThe shape of the client's eyebrows
• DThe client's age alone

The tarsal plate of the eyelid functions primarily to:

• AProduce tears
• BFocus light onto the retina
• CProvide structural support and firmness to the eyelid
• DGenerate eyelash pigment

Natural eyelash curl varies between clients. Which lash curl designation is generally the straightest?

• AD curl
• BL curl
• CCC curl
• DJ curl

Which part of the natural lash provides the bonding surface where an extension is attached?

• AThe mid-shaft of the natural lash, about 0.5-1 mm from the base
• BThe very tip of the natural lash
• CThe lash follicle deep in the skin
• DThe eyelid skin between lashes

The white, tough outer layer of the eyeball that maintains its shape is the:

• AConjunctiva
• BSclera
• CPupil
• DCornea

Eyelashes serve which primary protective function for the eye?

• AProducing tears to lubricate the eye
• BFocusing incoming light
• CActing as a sensory barrier that triggers the blink reflex and helps keep debris out
• DDraining excess tears

Compared to scalp hair, the natural eyelash growth cycle is:

• AMuch longer, lasting several years per lash
• BExactly the same length
• CNonexistent because lashes never shed
• DMuch shorter, with the full cycle measured in weeks to a few months

During which phase is a natural lash actively growing and most firmly anchored in the follicle?

• AAnagen phase
• BTelogen phase
• CCatagen phase
• DExogen phase

Approximately how long does the eyelash anagen (growth) phase typically last?

• A1-3 days
• BAbout 30-45 days
• CAbout 6-12 months
• D2-7 years

The brief transitional phase in which the lash stops growing and the follicle begins to shrink is called the:

• AAnagen phase
• BTelogen phase
• CCatagen phase
• DMitosis phase

During the telogen (resting) phase of a natural lash, the lash is:

• AGrowing fastest and most firmly anchored
• BProducing new pigment rapidly
• CSplitting into two lashes
• DFully grown, no longer growing, and loosely held until it sheds

On average, roughly how many natural lashes does a person shed per eye each day under normal conditions?

• AAbout 1-5 lashes
• B0 lashes
• CAbout 50 lashes
• DAbout 200 lashes

Why is isolating a single natural lash before attaching an extension critical in relation to the growth cycle?

• AIt makes the service faster
• BIt prevents bonding multiple lashes at different cycle stages together, which causes prem…
• CIt changes the lash color
• DIt eliminates the need for adhesive

Why are lash 'fills' typically recommended every 2 to 3 weeks?

• ABecause adhesive evaporates completely in two weeks
• BBecause the client's eye color changes
• CBecause natural lashes shed and regrow on a cycle, reducing extension density over time
• DBecause extensions dissolve after 14 days

Attaching a long, heavy extension to a very short natural lash that is in early anagen will most likely result in:

• AExcellent long-term retention
• BThe extension permanently bonding to the skin
• CFaster natural lash growth
• DPoor retention and possible twisting or premature loss as the short lash cannot support t…

Which sequence correctly represents the natural lash growth cycle?

• AAnagen (growth), then catagen (transition), then telogen (rest/shed)
• BTelogen, then catagen, then anagen
• CCatagen, then telogen, then anagen only once in a lifetime
• DAnagen and telogen occur simultaneously in the same lash

Roughly what proportion of natural lashes are in the anagen (growth) phase at any given time?

• AAbout 95%
• BAbout 40%
• C0%
• DAbout 75%

A client who has just had a lash extension fall out within a few days, with a tiny bulb at the root, most likely lost it because:

• AThe adhesive was defective in every case
• BThe extension dissolved
• CThe natural lash it was attached to reached the end of its cycle and shed naturally
• DThe client washed their face once

Why might lash retention appear worse during certain seasons or after illness for some clients?

• AAdhesive only works in summer
• BExtensions change weight with temperature
• CThe client's eye anatomy changes seasonally
• DStress, illness, hormonal changes, and seasonal shifts can temporarily increase natural l…