Washington Esthetics State Test (Latest
2026/2027 Update) 100% Verified Actual
Exam Questions & Answers | Grade A
Pass your Washington State Esthetics exam on the first try with this targeted
study guide. It features 186 highly probable multiple-choice questions and verified
answers. Designed to mirror the real exam, it covers vital topics like skin
anatomy, infection control, and state laws.
Key Benefits
• State-Specific Content: Focuses on essential Washington State
Department of Licensing (DOL) regulations and safety standards.
• Realistic Practice: Replicates the format and difficulty level of the official
NIC-style written exam.
• Instant Rationales: Includes clear, detailed
• Core Exam Topics Covered
• Infection Control & Safety: Sanitation, sterilization, and OSHA/WISHA
requirements.
• Skin Analysis & Physiology: Identifying skin types, disorders, and the
layers of the epidermis.
• Facials & Treatments: Product application, electrotherapy, and massage
techniques.
• Hair Removal: Waxing contraindications, safety precautions, and hair
growth stages.
Who Should Buy This
Perfect for esthetician students nearing the end of their program, apprentices, or
licensed professionals seeking reciprocity in Washington.
1
,Q1. Which of these will even strong disinfectants NOT kill? [Multiple Choice]
A) Microscopic
B) Bacterial spores
C) Phenols
D) HIV
Answer: Bacterial spores
Explanation: Bacterial spores are highly resistant forms of bacteria that can survive many harsh
conditions and are not killed by many strong disinfectants. HIV is a virus that can be inactivated
by appropriate disinfectants. 'Microscopic' describes size and is not something disinfectants 'kill'.
'Phenols' are a class of disinfectant chemicals, not a target organism.
Q2. Which chemical should NOT be used to wash plastic bottles because it can
cause softening? [Multiple Choice]
A) Heat in an autoclave
B) Bacterial spores
C) Phenols
D) Quaternary ammonium compounds
Answer: Phenols
Explanation: Phenols can soften certain plastics, so plastic bottles should not be washed with
them. 'Quaternary ammonium compounds' are a different disinfectant class and are not
identified here as causing softening. 'Heat in an autoclave' is a sterilization method for
instruments and not a chemical wash for plastic bottles. 'Bacterial spores' are organisms and not
a cleaning agent.
Q3. What name is given to single-celled microorganisms that cause disease?
[Multiple Choice]
A) Spirilla
B) Blood poisoning
C) Pathogenic bacteria
D) Microscopic
Answer: Pathogenic bacteria
Explanation: Single-celled microorganisms that cause disease are called pathogenic bacteria,
which identifies both their unicellular nature and their disease-causing role. 'Microscopic'
2
, describes size but not that they cause disease. 'Spirilla' refers to a particular shape/type of
bacteria, not the general term for disease-causing single-celled microbes. 'Blood poisoning' is a
disease outcome, not the name for the organisms themselves.
Q4. Why is it important to wash your hands often during flu season? [Multiple
Choice]
A) Heat in an autoclave
B) Unbroken skin
C) A process by which the cells are nourished
D) Natural immunity
Answer: Natural immunity
Explanation: Good hygiene like frequent handwashing supports and complements the body's
natural immunity by reducing the number of germs you encounter and lowering infection risk.
'Unbroken skin' is a physical barrier but does not explain the benefit of handwashing. 'A process
by which the cells are nourished' refers to metabolism and is unrelated to handwashing. 'Heat in
an autoclave' is an instrument sterilization method, not a reason to wash hands.
Q5. How should the contact points of electrical equipment such as
electrotherapy tools be cleaned? [Multiple Choice]
A) The Environmental Protection Agency
B) Should be cleaned with an EPA-registered,hospital-grade disinfectant created
especially for electrical equipment
C) Fast-acting disinfectants
D) Phenols
Answer: Should be cleaned with an EPA-registered,hospital-grade disinfectant created
especially for electrical equipment
Explanation: Electrical equipment contact points require a disinfectant that is formulated and
tested for use on electrical devices—specifically an EPA-registered, hospital-grade product made
for such equipment—so cleaning is both effective and safe for the device. 'Phenols' name a
chemical class but do not ensure compatibility with electrical tools. 'Fast-acting disinfectants'
(quats) describe speed but not whether a product is designed for electrical equipment. 'The
Environmental Protection Agency' is a regulatory agency, not a cleaning product.
Q6. How are quaternary ammonium compounds (quats) described in their
disinfecting action? [Multiple Choice]
3
, A) Fast-acting disinfectants
B) Phenols
C) Bacterial spores
D) Microscopic
Answer: Fast-acting disinfectants
Explanation: Quaternary ammonium compounds are described as fast-acting disinfectants
because they act quickly to kill many microorganisms on surfaces. 'Phenols' are a different class
of disinfectants, not a description of quats. 'Bacterial spores' are hard-to-kill forms of bacteria,
not a description of a disinfectant. 'Microscopic' is a size descriptor and not relevant to the action
of quats.
Q7. Which disease listed below is NOT caused by bacteria? [Multiple Choice]
A) Blood poisoning
B) Spirilla
C) HIV
D) Syphilis
Answer: HIV
Explanation: HIV is caused by a virus, so it is not a bacterial disease. 'Blood poisoning'
(septicemia) and 'syphilis' are examples of illnesses that are caused by bacteria. 'Spirilla' names a
type of bacteria (one that can cause diseases), so it is not an example of a non-bacterial disease.
Q8. What must you do when a client's treatment is complete to reduce infection
risk on surfaces? [Multiple Choice]
A) Heat in an autoclave
B) Disinfect all non-porous surfaces including door knobs and handles
C) Treat the blood and bodily fluids of all clients as if it is infected
D) Should be cleaned with an EPA-registered,hospital-grade disinfectant created
especially for electrical equipment
Answer: Disinfect all non-porous surfaces including door knobs and handles
Explanation: After a client's treatment, disinfecting non-porous surfaces such as door knobs and
handles removes microbes and reduces transmission risk. Cleaning electrical contacts with a
specially made EPA-registered disinfectant is important for that equipment but does not cover all
non-porous surfaces. 'Treat the blood and bodily fluids...' is a universal-precaution practice for
4
2026/2027 Update) 100% Verified Actual
Exam Questions & Answers | Grade A
Pass your Washington State Esthetics exam on the first try with this targeted
study guide. It features 186 highly probable multiple-choice questions and verified
answers. Designed to mirror the real exam, it covers vital topics like skin
anatomy, infection control, and state laws.
Key Benefits
• State-Specific Content: Focuses on essential Washington State
Department of Licensing (DOL) regulations and safety standards.
• Realistic Practice: Replicates the format and difficulty level of the official
NIC-style written exam.
• Instant Rationales: Includes clear, detailed
• Core Exam Topics Covered
• Infection Control & Safety: Sanitation, sterilization, and OSHA/WISHA
requirements.
• Skin Analysis & Physiology: Identifying skin types, disorders, and the
layers of the epidermis.
• Facials & Treatments: Product application, electrotherapy, and massage
techniques.
• Hair Removal: Waxing contraindications, safety precautions, and hair
growth stages.
Who Should Buy This
Perfect for esthetician students nearing the end of their program, apprentices, or
licensed professionals seeking reciprocity in Washington.
1
,Q1. Which of these will even strong disinfectants NOT kill? [Multiple Choice]
A) Microscopic
B) Bacterial spores
C) Phenols
D) HIV
Answer: Bacterial spores
Explanation: Bacterial spores are highly resistant forms of bacteria that can survive many harsh
conditions and are not killed by many strong disinfectants. HIV is a virus that can be inactivated
by appropriate disinfectants. 'Microscopic' describes size and is not something disinfectants 'kill'.
'Phenols' are a class of disinfectant chemicals, not a target organism.
Q2. Which chemical should NOT be used to wash plastic bottles because it can
cause softening? [Multiple Choice]
A) Heat in an autoclave
B) Bacterial spores
C) Phenols
D) Quaternary ammonium compounds
Answer: Phenols
Explanation: Phenols can soften certain plastics, so plastic bottles should not be washed with
them. 'Quaternary ammonium compounds' are a different disinfectant class and are not
identified here as causing softening. 'Heat in an autoclave' is a sterilization method for
instruments and not a chemical wash for plastic bottles. 'Bacterial spores' are organisms and not
a cleaning agent.
Q3. What name is given to single-celled microorganisms that cause disease?
[Multiple Choice]
A) Spirilla
B) Blood poisoning
C) Pathogenic bacteria
D) Microscopic
Answer: Pathogenic bacteria
Explanation: Single-celled microorganisms that cause disease are called pathogenic bacteria,
which identifies both their unicellular nature and their disease-causing role. 'Microscopic'
2
, describes size but not that they cause disease. 'Spirilla' refers to a particular shape/type of
bacteria, not the general term for disease-causing single-celled microbes. 'Blood poisoning' is a
disease outcome, not the name for the organisms themselves.
Q4. Why is it important to wash your hands often during flu season? [Multiple
Choice]
A) Heat in an autoclave
B) Unbroken skin
C) A process by which the cells are nourished
D) Natural immunity
Answer: Natural immunity
Explanation: Good hygiene like frequent handwashing supports and complements the body's
natural immunity by reducing the number of germs you encounter and lowering infection risk.
'Unbroken skin' is a physical barrier but does not explain the benefit of handwashing. 'A process
by which the cells are nourished' refers to metabolism and is unrelated to handwashing. 'Heat in
an autoclave' is an instrument sterilization method, not a reason to wash hands.
Q5. How should the contact points of electrical equipment such as
electrotherapy tools be cleaned? [Multiple Choice]
A) The Environmental Protection Agency
B) Should be cleaned with an EPA-registered,hospital-grade disinfectant created
especially for electrical equipment
C) Fast-acting disinfectants
D) Phenols
Answer: Should be cleaned with an EPA-registered,hospital-grade disinfectant created
especially for electrical equipment
Explanation: Electrical equipment contact points require a disinfectant that is formulated and
tested for use on electrical devices—specifically an EPA-registered, hospital-grade product made
for such equipment—so cleaning is both effective and safe for the device. 'Phenols' name a
chemical class but do not ensure compatibility with electrical tools. 'Fast-acting disinfectants'
(quats) describe speed but not whether a product is designed for electrical equipment. 'The
Environmental Protection Agency' is a regulatory agency, not a cleaning product.
Q6. How are quaternary ammonium compounds (quats) described in their
disinfecting action? [Multiple Choice]
3
, A) Fast-acting disinfectants
B) Phenols
C) Bacterial spores
D) Microscopic
Answer: Fast-acting disinfectants
Explanation: Quaternary ammonium compounds are described as fast-acting disinfectants
because they act quickly to kill many microorganisms on surfaces. 'Phenols' are a different class
of disinfectants, not a description of quats. 'Bacterial spores' are hard-to-kill forms of bacteria,
not a description of a disinfectant. 'Microscopic' is a size descriptor and not relevant to the action
of quats.
Q7. Which disease listed below is NOT caused by bacteria? [Multiple Choice]
A) Blood poisoning
B) Spirilla
C) HIV
D) Syphilis
Answer: HIV
Explanation: HIV is caused by a virus, so it is not a bacterial disease. 'Blood poisoning'
(septicemia) and 'syphilis' are examples of illnesses that are caused by bacteria. 'Spirilla' names a
type of bacteria (one that can cause diseases), so it is not an example of a non-bacterial disease.
Q8. What must you do when a client's treatment is complete to reduce infection
risk on surfaces? [Multiple Choice]
A) Heat in an autoclave
B) Disinfect all non-porous surfaces including door knobs and handles
C) Treat the blood and bodily fluids of all clients as if it is infected
D) Should be cleaned with an EPA-registered,hospital-grade disinfectant created
especially for electrical equipment
Answer: Disinfect all non-porous surfaces including door knobs and handles
Explanation: After a client's treatment, disinfecting non-porous surfaces such as door knobs and
handles removes microbes and reduces transmission risk. Cleaning electrical contacts with a
specially made EPA-registered disinfectant is important for that equipment but does not cover all
non-porous surfaces. 'Treat the blood and bodily fluids...' is a universal-precaution practice for
4
