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 receives a transdermal patch for medication. Which property of the skin allows for this method of drug administration?

Accepted Answer

Excretion and absorption

Question 3

Which layer of the skin contains the most sensory receptors and is responsible for cutaneous sensation?

Accepted Answer

Papillary layer of the dermis

Question 4

A burn patient presents with damage to both the epidermis and the entire dermis, but not underlying tissue. What degree of burn is this?

Accepted Answer

Third-degree burn

Question 5

Which layer of the epidermis is only found in thick skin, such as the palms and soles?

Accepted Answer

Stratum lucidum

Question 6

A person is exposed to sunlight, which stimulates the synthesis of vitamin D. Which layer of the skin is primarily responsible for this process?

Accepted Answer

Stratum basale

Question 7

Which cell type in the epidermis is responsible for producing the pigment that gives skin its color?

Accepted Answer

Melanocytes

Question 8

Which of the following best describes the process of melanin deposition in the skin?

Accepted Answer

Melanosomes are packaged, shed, internalized by keratinocytes, and released into their cytoplasm

Question 9

A patient presents with a pressure sore that has reached the bone. What stage is this pressure sore?

Accepted Answer

Stage 4

Question 10

Which skin accessory structure is responsible for producing sebum, which moisturizes and waterproofs the skin?

Accepted Answer

Sebaceous glands

Question 11

Which layer of the skin is NOT considered part of the skin but contains fat, blood vessels, and nerves?

Accepted Answer

Hypodermis (subcutaneous layer)

Question 12

A patient with a wound that only affects the epidermis will heal primarily through which process?

Accepted Answer

Migration and mitosis of basal cells

Question 13

Which of the following equations best represents the percentage of body weight that is skin, given a person weighs $W$ pounds?

Accepted Answer

$0.16 	imes W$

Question 14

Which of the following is TRUE about the reticular layer of the dermis?

Accepted Answer

It is composed of dense, irregular connective tissue

Question 15

Which gland is responsible for producing earwax (cerumen)?

Accepted Answer

Ceruminous gland

Question 16

A patient presents with a skin cancer that is asymmetrical, has irregular borders, multiple colors, and is evolving. What type of skin cancer is most likely?

Accepted Answer

Malignant melanoma

Question 17

Which of the following best explains why sweating helps regulate body temperature?

Accepted Answer

Evaporation of sweat removes heat from the body

Question 18

Which layer of the epidermis is responsible for the continuous renewal of skin cells through mitosis?

Accepted Answer

Stratum basale (germinativum)

Question 19

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

Accepted Answer

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

Question 20

Which of the following structures is primarily responsible for the waterproofing of the skin?

Accepted Answer

Sebum produced by sebaceous glands

Integumentary System: Structure, Function, and Clinical Relevance

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