Question 1

Which of the following best describes the tissue composition of the epidermis and dermis?

Accepted Answer

Epidermis = epithelial tissue; Dermis = connective tissue

Question 2

A patient presents with a burn that damages the entire thickness of the skin. According to the classification of burns, what degree is this burn?

Accepted Answer

Third-degree burn

Question 3

Which layer of the epidermis is primarily responsible for the continuous production of new keratinocytes through mitosis?

Accepted Answer

Stratum basale

Question 4

Which pigment is responsible for the yellow to orange coloration most obvious in the palms and soles?

Accepted Answer

Carotene

Question 5

A patient with a liver disorder presents with yellowing of the skin. What is the clinical term for this condition?

Accepted Answer

Jaundice

Question 6

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

Accepted Answer

Production of red blood cells

Question 7

Which type of gland is most responsible for thermoregulation through sweat production?

Accepted Answer

Eccrine sweat gland

Question 8

A patient has a cut that penetrates into the reticular layer of the dermis. Which type of tissue is primarily damaged?

Accepted Answer

Dense irregular connective tissue

Question 9

Which cell type in the epidermis functions as a macrophage and is important for immune defense?

Accepted Answer

Epidermal dendritic (Langerhans) cell

Question 10

Which of the following best explains why the skin is considered a blood reservoir?

Accepted Answer

It can hold up to 5% of the body's blood supply and can divert blood to other organs as needed

Question 11

A patient presents with a blue coloration of the skin and mucous membranes. What is the most likely cause?

Accepted Answer

Low oxygenation of hemoglobin

Question 12

Which of the following is the first threat to life for a patient with severe burns?

Accepted Answer

Dehydration due to fluid loss

Question 13

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

Accepted Answer

Stratum lucidum

Question 14

Which accessory structure of the skin is responsible for producing sebum?

Accepted Answer

Sebaceous gland

Question 15

Which of the following best describes the function of arrector pili muscles?

Accepted Answer

Elevate hair to cause goosebumps

Question 16

Which type of skin cancer arises from uncontrolled proliferation of melanocytes and is considered the most dangerous due to its high metastatic potential?

Accepted Answer

Melanoma

Question 17

A patient has a wound that is slow to heal and is located in an area with poor blood supply. Which layer of the skin is most likely affected?

Accepted Answer

Reticular layer of the dermis

Question 18

Which of the following best explains the role of the skin in vitamin D synthesis?

Accepted Answer

Keratinocytes in the skin convert cholesterol to vitamin D when exposed to UV light

Question 19

Which of the following structures is NOT considered an accessory structure of the skin?

Accepted Answer

Epidermal ridge

Question 20

A patient presents with redness of the skin due to fever and inflammation. What is the clinical term for this condition?

Accepted Answer

Erythema

The Integumentary System: Structure and Function of Skin

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