THEORY QUESTIONS AND ANSWERS
What item should be used on tools and implements that have
not come in contact with blood or body fluids? - correct answer- Broad-
Spectrum Disinfectants
What machine is used to sterilize surgical instruments with high-pressure
and high-temperature vapors? - correct answer- Chemiclave
Instruments can be pre-cleaned using: - correct answer- High- frequency
energy waves
What is the Occupational Safety and Health Administration
(OSHA) responsible for? - correct answer- Enforces safety and health
standards in the workplace
Which department is OSHA under? - correct answer- Department of Labor
What do Material Safety Data Sheets (MSDS) provide information on? -
correct answer- Specific product ingredients, hazards, combustion levels,
and storage requirements
What is the Environmental Protection Agency (EPA) responsible for? -
correct answer- 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? - correct answer- UV Light Sterilizer
Can a UV light sterilizer kill all bacterial spores? - correct answer-
No, it cannot be relied upon to do that
Which infection control equipment uses pressure, heat, and/or pressurized
steam? - correct answer- Autoclave
Which infection control equipment high-pressure, high- temperature water,
alcohol, and formaldehyde vapors? - correct answer- Chemiclave
What are the five layer of the epidermis (top to bottom)? - correct answer-
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? - correct answer- True skin
,Which types of cells are found in the stratum corneum? - correct answer-
Keratinocytes and squamous cells
What are keratinocytes tightly interconnected by on the skin's surface? -
correct answer- Desmosomes
What is the purpose of a squamous cell in the stratum corneum?
- correct answer- 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? - correct answer- Stratum corneum
Which layers of the epidermis are composed of dead cells? - correct answer-
Stratum corneum, stratum lucidum, stratum granulosum
Which layer of the epidermis is transparent? - correct answer- Stratum
lucidum
What creates densely packed, clear keratin in the stratum lucidum? - correct
answer- Keratinocytes
Which layer of the epidermis is where keratinization begins (and where
, keratin is produced)? - correct answer- Stratum granulosum
What is the protein substance that forms keratin? - correct answer-
Keratohyalin
In which layer of the epidermis does protection begin? - correct answer-
Stratum granulosum
What makes the stratum spinosum the "spiny layer?" - correct answer-
Desmosomes which provide strength and support
between cells
Where do langerhan cells reside and protect the body from infection
(alongside T-cells)? - correct answer- Stratum spinosum
Which layer of the epidermis is called the "basal layer?" - correct answer-
Stratum germinativum as this is where basal cells go through mitosis
What is the purpose of the hemidesmosomes in the stratum germinativum? -
correct answer- Attach epidermis to the dermis to form basement membrane
Where are Merkel cells found? - correct answer- Stratum germinativum (in
thick skin)