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 burn that is red, swollen, and blistered. Which type of burn does this most likely represent?

Accepted Answer

Second-degree burn

Question 3

Which cell type in the epidermis is primarily responsible for producing the pigment that protects against UV radiation?

Accepted Answer

Melanocytes

Question 4

A surgeon plans to make an incision on a patient’s back. To minimize scarring, the incision should be made:

Accepted Answer

Parallel to cleavage (tension) lines

Question 5

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

Accepted Answer

Stratum lucidum

Question 6

A person with a genetic mutation that prevents the production of tyrosinase would most likely have which skin characteristic?

Accepted Answer

Very little melanin production

Question 7

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

Accepted Answer

Terminal hair is coarser and longer than vellus hair

Question 8

A patient with a large third-degree burn on the anterior and posterior surfaces of both legs would have what percentage of their body affected, according to the rule of nines?

Accepted Answer

$$36\%$$

Question 9

Which of the following is a characteristic of the papillary layer of the dermis?

Accepted Answer

Contains dermal papillae that form friction ridges

Question 10

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

Accepted Answer

Carotene

Question 11

A patient presents with a rapidly growing, irregularly pigmented lesion that has changed in appearance over the past month. Which skin cancer is most likely?

Accepted Answer

Melanoma

Question 12

Which of the following best explains why third-degree burns are often not painful?

Accepted Answer

Nerve endings are destroyed in the affected area

Question 13

Which gland is responsible for producing earwax?

Accepted Answer

Ceruminous gland

Question 14

Which of the following is a metabolic function of the skin?

Accepted Answer

Synthesis of vitamin D

Question 15

A patient with a bluish tint to their skin (cyanosis) is most likely experiencing which underlying issue?

Accepted Answer

Low oxygenation of hemoglobin

Question 16

Which of the following best describes the role of lamellar granules in the stratum granulosum?

Accepted Answer

They secrete a water-resistant glycolipid

Question 17

Which of the following is TRUE regarding the hypodermis?

Accepted Answer

It acts as a shock absorber and insulator

Question 18

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 19

Which of the following best describes the function of dendritic (Langerhans) cells in the epidermis?

Accepted Answer

They activate the immune system by ingesting foreign substances

Question 20

A patient with a large, irregular, multicolored mole that has changed in size and shape over the past month should be evaluated for which condition, using the ABCDE rule?

Accepted Answer

Melanoma

The Integumentary System: Structure, Function, and Clinical Aspects

Guida di studio - Domande di pratica

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