Question 1

Which tissue type primarily composes the epidermis of the skin, and what is its main function?

Accepted Answer

Stratified squamous epithelium; acts as a protective barrier

Question 2

A patient presents with a patch of skin that has changed color. Which factor is most likely responsible for this change, and how can it be clinically significant?

Accepted Answer

Altered melanin synthesis; may signal underlying disease such as Addison's or vitiligo

Question 3

Which layer of the skin contains blood vessels, nerves, and most of the skin's appendages?

Accepted Answer

Dermis

Question 4

During the hair growth cycle, which phase is characterized by active cell division in the hair matrix?

Accepted Answer

Anagen

Question 5

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

Accepted Answer

Contract to raise hair, aiding in thermoregulation

Question 6

A patient with a third-degree burn will have damage to which layers of the skin?

Accepted Answer

Epidermis, dermis, and possibly underlying tissues

Question 7

Which gland is responsible for producing a watery secretion that helps regulate body temperature?

Accepted Answer

Eccrine sweat gland

Question 8

Compare the composition of eccrine and apocrine sweat. Which statement is correct?

Accepted Answer

Apocrine sweat is more viscous and contains fatty acids and proteins

Question 9

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

Accepted Answer

Production of red blood cells

Question 10

A patient is diagnosed with basal cell carcinoma. Which characteristic is most typical of this skin cancer?

Accepted Answer

Arises from cells in the stratum basale and rarely metastasizes

Question 11

Which formula best represents the relationship between the surface area ($$A) $$and the volume ($$V) of a $$burn, assuming a cylindrical limb with radius $$r$$ and length $$h$$?

Accepted Answer

$$A = 2 \pi r h$$

Question 12

Which of the following best explains why third-degree burns are life-threatening?

Accepted Answer

They result in loss of skin barrier, leading to dehydration and infection

Question 13

Which appendage of the skin is most directly involved in the sensation of touch?

Accepted Answer

Hair follicle

Question 14

Which of the following is a correct description of the process of hair replacement?

Accepted Answer

New hair growth begins in the anagen phase after old hair is shed

Question 15

Which gland produces a secretion that helps lubricate and waterproof the skin and hair?

Accepted Answer

Sebaceous gland

Question 16

A patient presents with excessive sweating in the palms and soles. Which gland is most likely overactive?

Accepted Answer

Eccrine sweat gland

Question 17

Which of the following best describes the difference between first-degree and second-degree burns?

Accepted Answer

First-degree burns affect only the epidermis; second-degree burns affect the epidermis and part of the dermis

Question 18

Which of the following is a function of the integumentary system that helps maintain homeostasis?

Accepted Answer

Regulation of body temperature through sweat production

Question 19

Which type of skin cancer is most likely to metastasize rapidly and be fatal if not treated early?

Accepted Answer

Melanoma

Question 20

A patient with a burn covering 18% of their body surface area is at risk for which complication, and what is the best initial management?

Accepted Answer

Dehydration; initiate intravenous fluid therapy

Chapter 5: The Integumentary System – Study Notes

Guida di studio - Domande di pratica

Study guide - Flashcard