Question 1

Which of the following is NOT a function of the integumentary system?

Accepted Answer

Production of red blood cells

Question 2

A patient presents with a burn that is red, swollen, and blistered. Which type of burn does this most likely represent?

Accepted Answer

Second-degree burn

Question 3

Which layer of the epidermis is responsible for the continuous regeneration of keratinocytes?

Accepted Answer

Stratum basale

Question 4

Which cell type in the epidermis is primarily responsible for immune defense?

Accepted Answer

Dendritic (Langerhans) cell

Question 5

A person with a genetic inability to produce melanin would most likely be diagnosed with which condition?

Accepted Answer

Albinism

Question 6

Which of the following best describes the main difference between thick and thin skin?

Accepted Answer

Thick skin has a thicker stratum corneum and contains a stratum lucidum

Question 7

Which gland is responsible for producing an oily secretion that helps soften hair and skin?

Accepted Answer

Sebaceous gland

Question 8

A patient has a wound that only affects the epidermis and does not bleed. Which phase of wound healing is most relevant?

Accepted Answer

Epidermal wound healing

Question 9

Which pigment is responsible for the yellow-orange coloration of the skin and can be converted to vitamin A?

Accepted Answer

Carotene

Question 10

Which of the following is a characteristic of third-degree burns?

Accepted Answer

Entire thickness of skin is destroyed and area may be painless

Question 11

Which structure is responsible for the formation of fingerprints?

Accepted Answer

Dermal papillae

Question 12

Which of the following best describes the function of eccrine sweat glands?

Accepted Answer

Secrete sweat for thermoregulation

Question 13

A patient presents with irregular, multicolored, evolving skin lesions larger than 6 mm. Which type of skin cancer should be most suspected?

Accepted Answer

Malignant melanoma

Question 14

Which layer of the dermis is responsible for providing strength and elasticity to the skin?

Accepted Answer

Reticular layer

Question 15

Which of the following is a correct sequence of the layers of the epidermis in thick skin, from deep to superficial?

Accepted Answer

Stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum

Question 16

Which of the following best explains why elderly individuals are more prone to pressure ulcers?

Accepted Answer

Decreased subcutaneous fat and reduced blood flow

Question 17

Which of the following is TRUE regarding the hypodermis?

Accepted Answer

It contains adipose and areolar tissue and lies deep to the dermis

Question 18

Which of the following is a function of sebum?

Accepted Answer

Killing bacteria and softening hair and skin

Question 19

Which of the following best describes the role of melanin in the skin?

Accepted Answer

It acts as a chemical barrier against UV radiation

Question 20

A patient with a deep wound that extends into the dermis and subcutaneous layer will experience which of the following phases during healing?

Accepted Answer

Inflammatory, migratory, proliferative, and maturation phases

The Integumentary System: Structure, Function, and Clinical Relevance

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