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 bluish tint to their lips and nail beds. Which condition is most likely indicated?

Accepted Answer

Cyanosis

Question 3

Which layer of the epidermis is responsible for ongoing cell division and contains melanocytes?

Accepted Answer

Stratum basale

Question 4

Which of the following best describes the process by which sweat glands release their products?

Accepted Answer

Merocrine secretion

Question 5

A surgeon is planning an incision on the trunk. To minimize scarring, the incision should be made:

Accepted Answer

Parallel to tension (cleavage) lines

Question 6

Which of the following glands is most associated with acne development?

Accepted Answer

Sebaceous glands

Question 7

Which pigment is responsible for the yellow-orange coloration of the skin, especially visible in thick skin?

Accepted Answer

Carotene

Question 8

A patient with a genetic inability to produce tyrosinase will most likely present with:

Accepted Answer

Albinism

Question 9

Which of the following is TRUE regarding thick skin?

Accepted Answer

It is found on the palms and soles

Question 10

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

Accepted Answer

Dendritic (Langerhans) cell

Question 11

A patient with a rapidly growing, asymmetrical, multicolored skin lesion with irregular borders should be evaluated for which type of skin cancer?

Accepted Answer

Malignant melanoma

Question 12

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

Accepted Answer

It shields DNA from UV radiation

Question 13

Which structure is responsible for the formation of fingerprints?

Accepted Answer

Dermal papillae forming dermal and epidermal ridges

Question 14

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 15

Which of the following best explains why individuals with darker skin living near the equator have an evolutionary advantage?

Accepted Answer

They are protected from excess vitamin D production

Question 16

Which of the following is TRUE regarding the hypodermis?

Accepted Answer

It contains adipose tissue and is highly vascularized

Question 17

Which of the following best describes the secretion of sebum?

Accepted Answer

It is released by holocrine secretion

Question 18

A patient presents with a thickened area of the stratum corneum on the palm due to repeated friction. This is best described as a:

Accepted Answer

Callus

Question 19

Which of the following is a function of the arrector pili muscle?

Accepted Answer

Causing piloerection (goosebumps)

Question 20

Which of the following best describes the main difference between eccrine and apocrine sweat glands?

Accepted Answer

Eccrine glands are involved in thermoregulation, apocrine glands secrete a protein-rich sweat that is metabolized by bacteria

The Integumentary System: Structure, Function, and Clinical Relevance

Study Guide - Practice Questions