TDLR LASH EXTENSION WRITTEN EXAM PREP: 200 EXAM
QUESTIONS & RATIONALES COVERING SAFETY, SANITATION,
APPLICATION, EYE ANATOMY, AND BUSINESS REGULATIONS
(2026/2027 EDITION)
1. What is the growth stage of lashes where you apply medium
extensions?
A) Telogen
B) Anagen
C) Catagen
D) Exogen
Correct Answer: C) Catagen
Rationale: The Catagen stage is the transitional growth phase
where medium extensions are typically applied to support the
natural lash during its resting period.
2. What is the initial requirement for a salon owner to begin the
certification process?
A) Submit a business plan
B) Fill out an application and pay $25
C) Complete a training course
D) Pass a practical exam
**Correct Answer: B) Fill out an application and pay $25**
Rationale: The TDLR requires salon owners to fill out the
, appropriate application and submit a $25 fee to start their
certification process.
3. Which of the following is NOT a symptom of Eye Rosacea?
A) Blurred Vision
B) Itchy sensation
C) Increased tear production
D) Redness of the eye
Correct Answer: C) Increased tear production
Rationale: Eye Rosacea symptoms include grittiness, blurred vision,
itching, redness, and watery eyes; increased tear production is not
specifically listed as a primary symptom.
4. What is the primary cause of damage to natural lashes during
extension application?
A) Using too little glue
B) Placing extensions too far from the lash line
C) Too much glue and sticky lashes/tweezers
D) Applying extensions that are too short
Correct Answer: C) Too much glue and sticky lashes/tweezers
Rationale: Excessive glue and sticky tweezers can cause lashes to
adhere improperly, leading to breakage or damage to the natural
lash.
5. How many times should you separate lashes during the
application process?
A) Two
B) Three
C) Four
D) Five
, Correct Answer: C) Four
Rationale: It is recommended to separate lashes four times during
application to ensure proper isolation and prevent sticking.
6. When is it necessary to remove a full set of lash extensions?
A) When the client requests a different style
B) When they are placed incorrectly
C) After 4 weeks of wear
D) When the glue begins to dry out
Correct Answer: B) When they are placed incorrectly
Rationale: Extensions applied incorrectly can cause discomfort or
damage, necessitating their removal to prevent harm to natural
lashes.
7. Under what circumstance can you perform services with an
expired license?
A) If you renew within 30 days
B) Only for existing clients
C) Under no circumstances
D) If you have a temporary permit
Correct Answer: C) Under no circumstances
Rationale: Performing services with an expired license is prohibited
by TDLR regulations, and you must have a valid license at all times.
8. What is the first step in a blood exposure incident?
A) Clean the wound with alcohol
B) Notify the client
C) Stop the service and put on gloves
D) Document the incident
Correct Answer: C) Stop the service and put on gloves
, Rationale: Stopping the service and donning gloves immediately
protects both the technician and client from potential bloodborne
pathogens.
9. Which cleaning/disinfecting method kills or destroys all
microorganisms?
A) Sanitization
B) Disinfection
C) Sterilization
D) Cleaning
Correct Answer: C) Sterilization
Rationale: Sterilization is the highest level of decontamination,
effectively eliminating all microorganisms, including spores.
10. What can you use to disinfect your tools?
A) Soap and water
B) Alcohol, EPA-registered disinfectants, or bleach
C) Vinegar and baking soda
D) Hydrogen peroxide only
Correct Answer: B) Alcohol, EPA-registered disinfectants, or
bleach
Rationale: Alcohol, EPA-approved disinfectants, and bleach are
effective disinfectants for tools in a salon setting, killing most
pathogens.
11. What is the highest level of decontamination used to sterilize
tools?
A) Autoclave
B) Dry heat sterilizer
C) UV light
QUESTIONS & RATIONALES COVERING SAFETY, SANITATION,
APPLICATION, EYE ANATOMY, AND BUSINESS REGULATIONS
(2026/2027 EDITION)
1. What is the growth stage of lashes where you apply medium
extensions?
A) Telogen
B) Anagen
C) Catagen
D) Exogen
Correct Answer: C) Catagen
Rationale: The Catagen stage is the transitional growth phase
where medium extensions are typically applied to support the
natural lash during its resting period.
2. What is the initial requirement for a salon owner to begin the
certification process?
A) Submit a business plan
B) Fill out an application and pay $25
C) Complete a training course
D) Pass a practical exam
**Correct Answer: B) Fill out an application and pay $25**
Rationale: The TDLR requires salon owners to fill out the
, appropriate application and submit a $25 fee to start their
certification process.
3. Which of the following is NOT a symptom of Eye Rosacea?
A) Blurred Vision
B) Itchy sensation
C) Increased tear production
D) Redness of the eye
Correct Answer: C) Increased tear production
Rationale: Eye Rosacea symptoms include grittiness, blurred vision,
itching, redness, and watery eyes; increased tear production is not
specifically listed as a primary symptom.
4. What is the primary cause of damage to natural lashes during
extension application?
A) Using too little glue
B) Placing extensions too far from the lash line
C) Too much glue and sticky lashes/tweezers
D) Applying extensions that are too short
Correct Answer: C) Too much glue and sticky lashes/tweezers
Rationale: Excessive glue and sticky tweezers can cause lashes to
adhere improperly, leading to breakage or damage to the natural
lash.
5. How many times should you separate lashes during the
application process?
A) Two
B) Three
C) Four
D) Five
, Correct Answer: C) Four
Rationale: It is recommended to separate lashes four times during
application to ensure proper isolation and prevent sticking.
6. When is it necessary to remove a full set of lash extensions?
A) When the client requests a different style
B) When they are placed incorrectly
C) After 4 weeks of wear
D) When the glue begins to dry out
Correct Answer: B) When they are placed incorrectly
Rationale: Extensions applied incorrectly can cause discomfort or
damage, necessitating their removal to prevent harm to natural
lashes.
7. Under what circumstance can you perform services with an
expired license?
A) If you renew within 30 days
B) Only for existing clients
C) Under no circumstances
D) If you have a temporary permit
Correct Answer: C) Under no circumstances
Rationale: Performing services with an expired license is prohibited
by TDLR regulations, and you must have a valid license at all times.
8. What is the first step in a blood exposure incident?
A) Clean the wound with alcohol
B) Notify the client
C) Stop the service and put on gloves
D) Document the incident
Correct Answer: C) Stop the service and put on gloves
, Rationale: Stopping the service and donning gloves immediately
protects both the technician and client from potential bloodborne
pathogens.
9. Which cleaning/disinfecting method kills or destroys all
microorganisms?
A) Sanitization
B) Disinfection
C) Sterilization
D) Cleaning
Correct Answer: C) Sterilization
Rationale: Sterilization is the highest level of decontamination,
effectively eliminating all microorganisms, including spores.
10. What can you use to disinfect your tools?
A) Soap and water
B) Alcohol, EPA-registered disinfectants, or bleach
C) Vinegar and baking soda
D) Hydrogen peroxide only
Correct Answer: B) Alcohol, EPA-registered disinfectants, or
bleach
Rationale: Alcohol, EPA-approved disinfectants, and bleach are
effective disinfectants for tools in a salon setting, killing most
pathogens.
11. What is the highest level of decontamination used to sterilize
tools?
A) Autoclave
B) Dry heat sterilizer
C) UV light
