EST Skin and Integumentary System Exam (106E.01, 106E.02,
106E.03, 105E.02)
1. Which of the following terms is an example of thermoregulation?:
vasoconstriction
2. What is the term that describes the absorption process that allows some
molecules to pass through the skin?: Transdermal penetration
3. When product molecules are absorbed into the skin directly through the
corneocytes it is known as:: transcellular diffusion
4. Which laver of the skin's permeabilitv barrier prevents transepidermal
water loss (TEWL)?: Acid mantle
5. The chemical conversion of living cells into dead protein cells is known
as:: keratinization
6. Desquamation is the shedding, peeling or coming off in scales of which
layer of the epidermis?: stratum corneum
7. The first stage of wound healing is:: hemostasis
8. What are the two primary immune cells in the epidermis?: melanocytes
and langerhans cells
9. To keep the skin water-resistant and protected, what is the skin's most
prevalent secretion?: sebum
10. The primary role of which vitamin is to control levels of calcium and
phosphate within the body?: Vitamin D
11. What medical condition results in skin that is thinner and more fragile
with impaired healing?: diabetes
12. Which medical condition has hormonal and reproductive challenges and
usually shows acne and hair growth on the face and chin?: Polycystic
ovary syndrome (PCOS)
13. Which of the following skin functions is referred to as detoxification?:
excretion
14. What is the normal pH range of the skin?: 4.5-5.5
15. What is the technical name for the study of skin, including its structure,
functions, diseases and treatment?: dermatology
16. An important component of skin cells is a protein substance called::
keratin 17. The process in which living cells become flat, hard and
eventually die forming a dead layer at the skin's surface is called::
keratinization
18. There are no blood vessels in which of the following skin layers?:
epidermis layer
19. The epidermis is primarily composed of:: keratinocytes
20. Where does mitosis or cell division of the skin take place?: stratum
basale
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106E.03, 105E.02)
1. Which of the following terms is an example of thermoregulation?:
vasoconstriction
2. What is the term that describes the absorption process that allows some
molecules to pass through the skin?: Transdermal penetration
3. When product molecules are absorbed into the skin directly through the
corneocytes it is known as:: transcellular diffusion
4. Which laver of the skin's permeabilitv barrier prevents transepidermal
water loss (TEWL)?: Acid mantle
5. The chemical conversion of living cells into dead protein cells is known
as:: keratinization
6. Desquamation is the shedding, peeling or coming off in scales of which
layer of the epidermis?: stratum corneum
7. The first stage of wound healing is:: hemostasis
8. What are the two primary immune cells in the epidermis?: melanocytes
and langerhans cells
9. To keep the skin water-resistant and protected, what is the skin's most
prevalent secretion?: sebum
10. The primary role of which vitamin is to control levels of calcium and
phosphate within the body?: Vitamin D
11. What medical condition results in skin that is thinner and more fragile
with impaired healing?: diabetes
12. Which medical condition has hormonal and reproductive challenges and
usually shows acne and hair growth on the face and chin?: Polycystic
ovary syndrome (PCOS)
13. Which of the following skin functions is referred to as detoxification?:
excretion
14. What is the normal pH range of the skin?: 4.5-5.5
15. What is the technical name for the study of skin, including its structure,
functions, diseases and treatment?: dermatology
16. An important component of skin cells is a protein substance called::
keratin 17. The process in which living cells become flat, hard and
eventually die forming a dead layer at the skin's surface is called::
keratinization
18. There are no blood vessels in which of the following skin layers?:
epidermis layer
19. The epidermis is primarily composed of:: keratinocytes
20. Where does mitosis or cell division of the skin take place?: stratum
basale
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