Question 1

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

Accepted Answer

Production of red blood cells

Question 2

A patient presents with a rapidly changing, irregularly bordered, dark mole. According to the ABCDE rule for melanoma, which feature is most concerning?

Accepted Answer

Irregular border

Question 3

Which layer of the epidermis is responsible for the generation of new keratinocytes?

Accepted Answer

Stratum basale

Question 4

A third-degree burn destroys both the epidermis and dermis. Which additional structure is most likely damaged?

Accepted Answer

Hypodermis (subcutaneous layer)

Question 5

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

Accepted Answer

Produce sweat for thermoregulation

Question 6

A patient has a laceration that extends through the epidermis and into the reticular dermis. Which of the following structures is LEAST likely to be affected?

Accepted Answer

Adipose tissue

Question 7

Which anatomical feature is responsible for fingerprints?

Accepted Answer

Dermal papillae forming friction ridges

Question 8

A patient with a burn covering the entire anterior trunk and anterior surface of both arms would have what percentage of their body surface area affected, according to the rule of nines?

Accepted Answer

$$ 18\% + 4.5\% + 4.5\% = 27\% $$

Question 9

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

Accepted Answer

Produce melanin to protect against UV radiation

Question 10

A patient is unable to feel light touch on their skin. Which structure is most likely damaged?

Accepted Answer

Meissner's (tactile) corpuscle

Question 11

Which of the following statements about the hypodermis is correct?

Accepted Answer

It contains adipose tissue that insulates and cushions the body

Question 12

Which of the following best explains why surgical incisions made parallel to cleavage lines heal better?

Accepted Answer

They follow the orientation of collagen fibers, reducing tension and scarring

Question 13

A patient presents with a non-healing ulcer on the lower leg. Which skin layer is most critical for initiating wound healing?

Accepted Answer

Stratum basale

Question 14

Which of the following is a distinguishing feature of thick skin compared to thin skin?

Accepted Answer

Presence of stratum lucidum

Question 15

Which structure is responsible for goosebumps?

Accepted Answer

Arrector pili muscle

Question 16

A patient with a genetic defect in keratin production would most likely have abnormalities in which skin layer?

Accepted Answer

Stratum corneum

Question 17

Which of the following best describes the function of sebaceous glands?

Accepted Answer

Secrete sebum to lubricate and waterproof skin and hair

Question 18

A patient with a mutation affecting desmosomes would most likely experience which clinical sign?

Accepted Answer

Increased skin fragility and blistering

Question 19

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

Accepted Answer

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

Question 20

A patient with a nail disorder affecting the nail matrix would most likely experience which symptom?

Accepted Answer

Impaired nail growth

The Integumentary System: Structure, Function, and Clinical Relevance

Study Guide - Practice Questions

Study Guide - Flashcards