Question 1

Which of the following layers of the epidermis is responsible for rapid cell division and contains melanocytes?

Accepted Answer

Stratum basale

Question 2

A patient presents with a burn that is red, swollen, and painful, but does not blister. Which classification best describes this burn?

Accepted Answer

First-degree burn

Question 3

Which cell type in the epidermis functions as a touch receptor in association with sensory nerve endings?

Accepted Answer

Merkel cell

Question 4

A 35-year-old woman develops excessive hair growth on her face and chest. Which underlying condition is most likely responsible?

Accepted Answer

Adrenal or ovarian tumor secreting androgens

Question 5

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

Accepted Answer

Production of red blood cells

Question 6

Which pigment is primarily responsible for the yellow to orange coloration of the skin, especially in the palms and soles?

Accepted Answer

Carotene

Question 7

A patient has a skin lesion that is asymmetrical, has irregular borders, multiple colors, and a diameter larger than 6 mm. According to the ABCD rule, what is the most likely diagnosis?

Accepted Answer

Melanoma

Question 8

Which gland is responsible for producing an oily secretion that softens the skin and is associated with hair follicles?

Accepted Answer

Sebaceous gland

Question 9

Which layer of the dermis contains capillary loops, Meissner’s corpuscles, and forms the basis for fingerprints?

Accepted Answer

Papillary layer

Question 10

A 60-year-old patient complains of dry, itchy skin and increased sensitivity to cold. Which age-related changes in the integumentary system best explain these symptoms?

Accepted Answer

Thinning of the epidermis and diminished subcutaneous fat

Question 11

Which of the following best describes the composition and function of the hypodermis?

Accepted Answer

Composed of adipose and areolar connective tissue; stores fat and anchors skin

Question 12

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

Accepted Answer

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

Question 13

A patient with third-degree burns over 15% of their body is at risk for which of the following complications?

Accepted Answer

Critical burn status due to extent and depth

Question 14

Which of the following best explains why the stratum corneum is important for the body?

Accepted Answer

It provides waterproofing and protection from abrasion

Question 15

Which of the following glands is a modified apocrine gland found in the external ear canal and is responsible for producing earwax?

Accepted Answer

Ceruminous gland

Question 16

A patient presents with a rapidly growing, scaly lesion on the lower lip. Biopsy reveals abnormal keratinocytes in the stratum spinosum. What is the most likely diagnosis?

Accepted Answer

Squamous cell carcinoma

Question 17

Which of the following is a function of Langerhans’ cells in the epidermis?

Accepted Answer

Activating the immune system

Question 18

Which of the following best describes the difference between vellus and terminal hair?

Accepted Answer

Vellus hair is pale and fine; terminal hair is coarse and long

Question 19

Which of the following is a correct statement about the development of the integumentary system?

Accepted Answer

The epidermis develops from ectoderm

Question 20

Which of the following best explains why older adults are at increased risk for skin cancer?

Accepted Answer

Decreased numbers of melanocytes and Langerhans’ cells

The Integumentary System: Structure, Function, and Clinical Aspects

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