2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!
Michigan Esthetician State Board Theory
Questions and Correct Answers the Latest
Update and Recommended Version
What item should be used on tools and implements that have not come in contact with blood
or body fluids?
→ Broad-Spectrum Disinfectants
What machine is used to sterilize surgical instruments with high-pressure and high-temperature
vapors?
→ Chemiclave
Instruments can be pre-cleaned using:
→ High-frequency energy waves
What is the Occupational Safety and Health Administration (OSHA) responsible for?
→ Enforces safety and health standards in the workplace
Which department is OSHA under?
→ Department of Labor
What do Material Safety Data Sheets (MSDS) provide information on?
→ Specific product ingredients, hazards, combustion levels, and storage requirements
What is the Environmental Protection Agency (EPA) responsible for?
1|Page| GradeA+ | 2 0 0 2 5
,2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!
→ Approving the efficacy of products and verifying effectiveness of products against
organisms listed on the labels
Which infection control equipment utilizes UV light to kill bacteria in a dry setting?
→ UV Light Sterilizer
Can a UV light sterilizer kill all bacterial spores?
→ No, it cannot be relied upon to do that
Which infection control equipment uses pressure, heat, and/or pressurized steam?
→ Autoclave
Which infection control equipment high-pressure, high-temperature water, alcohol, and
formaldehyde vapors?
→ Chemiclave
What are the five layer of the epidermis (top to bottom)?
→ 1. Stratum Corneum
→ 2. Stratum Lucidum
→ 3. Stratum Granulosum
→ 4. Stratum Spinosum
→ 5. Stratum Germinativum
→
→ [C.L.G(r).S.G: Clean Ladies G(r)eet Sailors Gorgeously]
What is another name for the dermis?
→ True skin
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,2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!
Which types of cells are found in the stratum corneum?
→ Keratinocytes and squamous cells
What are keratinocytes tightly interconnected by on the skin's surface?
→ Desmosomes
What is the purpose of a squamous cell in the stratum corneum?
→ Protect lower layers of the epidermis and the rest of the skin
Which layer of the epidermis acts as a barrier to moisture loss and is water-resistant?
→ Stratum corneum
Which layers of the epidermis are composed of dead cells?
→ Stratum corneum, stratum lucidum, stratum granulosum
Which layer of the epidermis is transparent?
→ Stratum lucidum
What creates densely packed, clear keratin in the stratum lucidum?
→ Keratinocytes
Which layer of the epidermis is where keratinization begins (and where keratin is produced)?
→ Stratum granulosum
What is the protein substance that forms keratin?
1|Page| GradeA+ | 2 0 0 2 5
, 2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!
→ Keratohyalin
In which layer of the epidermis does protection begin?
→ Stratum granulosum
What makes the stratum spinosum the "spiny layer?"
→ Desmosomes which provide strength and support between cells
Where do langerhan cells reside and protect the body from infection (alongside T-cells)?
→ Stratum spinosum
Which layer of the epidermis is called the "basal layer?"
→ Stratum germinativum as this is where basal cells go through mitosis
What is the purpose of the hemidesmosomes in the stratum germinativum?
→ Attach epidermis to the dermis to form basement membrane
Where are Merkel cells found?
→ Stratum germinativum (in thick skin)
Where are melanocytes found?
→ Stratum germinativum (in thin skin)
What cells cover and protect the inside of the body?
→ Epithelial
1|Page| GradeA+ | 2 0 0 2 5
Michigan Esthetician State Board Theory
Questions and Correct Answers the Latest
Update and Recommended Version
What item should be used on tools and implements that have not come in contact with blood
or body fluids?
→ Broad-Spectrum Disinfectants
What machine is used to sterilize surgical instruments with high-pressure and high-temperature
vapors?
→ Chemiclave
Instruments can be pre-cleaned using:
→ High-frequency energy waves
What is the Occupational Safety and Health Administration (OSHA) responsible for?
→ Enforces safety and health standards in the workplace
Which department is OSHA under?
→ Department of Labor
What do Material Safety Data Sheets (MSDS) provide information on?
→ Specific product ingredients, hazards, combustion levels, and storage requirements
What is the Environmental Protection Agency (EPA) responsible for?
1|Page| GradeA+ | 2 0 0 2 5
,2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!
→ Approving the efficacy of products and verifying effectiveness of products against
organisms listed on the labels
Which infection control equipment utilizes UV light to kill bacteria in a dry setting?
→ UV Light Sterilizer
Can a UV light sterilizer kill all bacterial spores?
→ No, it cannot be relied upon to do that
Which infection control equipment uses pressure, heat, and/or pressurized steam?
→ Autoclave
Which infection control equipment high-pressure, high-temperature water, alcohol, and
formaldehyde vapors?
→ Chemiclave
What are the five layer of the epidermis (top to bottom)?
→ 1. Stratum Corneum
→ 2. Stratum Lucidum
→ 3. Stratum Granulosum
→ 4. Stratum Spinosum
→ 5. Stratum Germinativum
→
→ [C.L.G(r).S.G: Clean Ladies G(r)eet Sailors Gorgeously]
What is another name for the dermis?
→ True skin
1|Page| GradeA+ | 2 0 0 2 5
,2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!
Which types of cells are found in the stratum corneum?
→ Keratinocytes and squamous cells
What are keratinocytes tightly interconnected by on the skin's surface?
→ Desmosomes
What is the purpose of a squamous cell in the stratum corneum?
→ Protect lower layers of the epidermis and the rest of the skin
Which layer of the epidermis acts as a barrier to moisture loss and is water-resistant?
→ Stratum corneum
Which layers of the epidermis are composed of dead cells?
→ Stratum corneum, stratum lucidum, stratum granulosum
Which layer of the epidermis is transparent?
→ Stratum lucidum
What creates densely packed, clear keratin in the stratum lucidum?
→ Keratinocytes
Which layer of the epidermis is where keratinization begins (and where keratin is produced)?
→ Stratum granulosum
What is the protein substance that forms keratin?
1|Page| GradeA+ | 2 0 0 2 5
, 2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!
→ Keratohyalin
In which layer of the epidermis does protection begin?
→ Stratum granulosum
What makes the stratum spinosum the "spiny layer?"
→ Desmosomes which provide strength and support between cells
Where do langerhan cells reside and protect the body from infection (alongside T-cells)?
→ Stratum spinosum
Which layer of the epidermis is called the "basal layer?"
→ Stratum germinativum as this is where basal cells go through mitosis
What is the purpose of the hemidesmosomes in the stratum germinativum?
→ Attach epidermis to the dermis to form basement membrane
Where are Merkel cells found?
→ Stratum germinativum (in thick skin)
Where are melanocytes found?
→ Stratum germinativum (in thin skin)
What cells cover and protect the inside of the body?
→ Epithelial
1|Page| GradeA+ | 2 0 0 2 5
