Question 1

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

Accepted Answer

Regulation of blood glucose levels

Question 2

A patient presents with a burn that has destroyed both the epidermis and dermis, extending into the hypodermis. Which classification best describes this burn?

Accepted Answer

Full-thickness (third-degree) burn

Question 3

Which layer of the skin is primarily responsible for synthesizing vitamin D$$_3$$ when exposed to sunlight?

Accepted Answer

Epidermis

Question 4

A person with a genetic defect that prevents the formation of desmosomes would most likely experience which of the following symptoms?

Accepted Answer

Increased risk of dehydration due to loss of skin integrity

Question 5

Which of the following best explains why elderly individuals are more prone to skin infections?

Accepted Answer

Reduced number of macrophages in the skin

Question 6

A patient has a mutation that prevents the formation of keratin in the epidermis. Which of the following consequences is most likely?

Accepted Answer

Increased susceptibility to mechanical injury and dehydration

Question 7

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

Accepted Answer

Hypodermis

Question 8

A person with cyanosis is likely experiencing which of the following physiological conditions?

Accepted Answer

Decreased oxygen supply to tissues

Question 9

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

Accepted Answer

Contracts to cause hair to stand up, producing 'goose bumps'

Question 10

During the repair of the integument, which phase is characterized by the formation of granulation tissue?

Accepted Answer

Migratory phase

Question 11

Which of the following statements about the hypodermis is TRUE?

Accepted Answer

It is not technically part of the integumentary system

Question 12

A patient with a deficiency in vitamin D$$_3 is $$most likely to develop which of the following conditions?

Accepted Answer

Weak and flexible bones due to impaired calcium absorption

Question 13

Which of the following best explains why the skin is able to detect a wide range of sensory stimuli?

Accepted Answer

Presence of multiple types of sensory receptors in the dermis and epidermis

Question 14

Which of the following glands is responsible for producing a watery secretion that helps cool the body through evaporation?

Accepted Answer

Eccrine (merocrine) sweat glands

Question 15

A person who consumes large amounts of carrots and squash may develop an orange tint to their skin due to accumulation of which pigment?

Accepted Answer

Carotene

Question 16

Which of the following best describes the difference between thick skin and thin skin?

Accepted Answer

Thick skin contains five layers of cells, including a prominent stratum lucidum

Question 17

Which of the following is a function of sebum produced by sebaceous glands?

Accepted Answer

Inhibits growth of bacteria and lubricates the hair

Question 18

A patient presents with a mole that has changed in color and shape and is now spreading rapidly. Which type of skin cancer is most likely?

Accepted Answer

Malignant melanoma

Question 19

Which of the following best explains why a person with a blocked sebaceous duct may develop acne?

Accepted Answer

Accumulation of sebum leads to inflammation and formation of pimples

Question 20

Which of the following best describes the process of skin regeneration after injury?

Accepted Answer

Stem cells in the epithelium and connective tissue divide to replace lost or damaged tissue

The Integumentary System: Structure and Function

Study Guide - Practice Questions

Study Guide - Flashcards