Question 1

A patient presents with a burn that has destroyed both the epidermis and the entire dermis. According to the classification of burns, what type of burn is this?

Accepted Answer

Third degree burn

Question 2

Which layer of the epidermis is primarily responsible for the production of keratin?

Accepted Answer

Stratum spinosum

Question 3

A patient has full thickness burns to the anterior head, neck, and entire anterior side of the left leg. Using the Rule of Nines, what percentage of the total body surface area is burned?

Accepted Answer

$$ 4.5\% + 9\% = 13.5\% $$

Question 4

Which of the following structures is responsible for producing sebum to soften and moisturize skin, and prevent hair from becoming brittle?

Accepted Answer

Sebaceous glands

Question 5

Which layer of the skin contains the majority of collagen fibers that provide strength and resilience?

Accepted Answer

Reticular layer of dermis

Question 6

Which cell type in the epidermis is most abundant and responsible for producing the protein that waterproofs the skin?

Accepted Answer

Keratinocytes

Question 7

A patient is diagnosed with malignant melanoma. Which layer of the epidermis is most likely to have altered cells in this condition?

Accepted Answer

Stratum basale

Question 8

Which of the following is a function of the skin that is directly related to the presence of sweat glands?

Accepted Answer

Excretion of waste products

Question 9

Which pigment is primarily responsible for skin color and protection from UV radiation?

Accepted Answer

Melanin

Question 10

A patient presents with a skin lesion that is asymmetrical, has irregular borders, and multiple colors. Which skin disorder is most likely?

Accepted Answer

Malignant melanoma

Question 11

Which of the following layers of the epidermis is the deepest and contains cells that actively divide?

Accepted Answer

Stratum basale

Question 12

Which of the following is NOT a function of the skin?

Accepted Answer

Production of red blood cells

Question 13

Which of the following correctly describes the relationship between the epidermis and the dermis?

Accepted Answer

The epidermis is superficial to the dermis

Question 14

Which of the following membrane types lines the cavities open to the external environment?

Accepted Answer

Mucous membrane

Question 15

A patient is unable to sweat due to damage to a specific gland. Which gland is most likely affected?

Accepted Answer

Sudoriferous gland

Question 16

Which of the following layers of the skin is avascular and relies on diffusion from underlying tissues for nutrients?

Accepted Answer

Epidermis

Question 17

Which of the following is the correct order of the layers of the epidermis from deepest to most superficial?

Accepted Answer

Stratum basale, stratum spinosum, stratum granulosum, stratum corneum

Question 18

Which of the following best explains why water loss through the epidermis could cause a serious threat to health in burn victims?

Accepted Answer

Cells in the epidermis produce keratin and glycolipids to prevent water from getting through

Question 19

Which of the following is a connective tissue layer found beneath the dermis and is important for insulation and energy storage?

Accepted Answer

Hypodermis

Question 20

Which of the following is a function of the arrector pili muscle?

Accepted Answer

Contracts to cause hair to stand up (goosebumps)

Anatomy & Physiology Study Guide: The Integumentary System and Skin Structure

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