Question 1

Which of the following best describes the primary function of epithelial tissue in the human body?

Accepted Answer

Covering body surfaces and lining cavities to provide protection and absorption

Question 2

A patient suffers a deep cut that damages the dermis but not the hypodermis. Which of the following tissue types is most directly affected?

Accepted Answer

Dense irregular connective tissue

Question 3

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

Accepted Answer

Production of red blood cells

Question 4

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

Accepted Answer

Stratum lucidum

Question 5

A third-degree burn destroys both the epidermis and dermis. Why does this make it difficult for the body to maintain homeostasis?

Accepted Answer

The skin loses its ability to regulate temperature and prevent fluid loss

Question 6

Which of the following best explains why tattoos are permanent?

Accepted Answer

Tattoo ink is deposited in the dermis, where cells are not regularly replaced

Question 7

Which of the following is a correct pairing of a specific connective tissue type and its primary function?

Accepted Answer

Dense regular connective tissue – resisting tension in one direction

Question 8

A patient has a genetic disorder that prevents the production of collagen. Which structure in the skin would be most affected?

Accepted Answer

Dermal papillae

Question 9

Which of the following best describes the function of melanocytes in the epidermis?

Accepted Answer

Producing melanin to protect against UV radiation

Question 10

Which of the following equations best represents the relationship between the rate of vitamin D synthesis ($$R_{VD}$$), UV exposure ($$E_{UV}$$), and skin pigmentation ($$P_{skin}$$), assuming all other factors are constant?

Accepted Answer

$$R_{VD} = \frac{E_{UV}}{P_{skin}}$$

Question 11

A surgeon is planning an incision and wants to minimize scarring. Why is it important to consider cleavage lines in the skin?

Accepted Answer

Incisions parallel to cleavage lines heal faster and with less scarring

Question 12

Which of the following best explains why the epidermis is avascular?

Accepted Answer

Nutrients diffuse from the underlying dermis to supply the epidermal cells

Question 13

Which of the following is a function of the hypodermis?

Accepted Answer

Insulation and energy storage

Question 14

A patient presents with a loss of sensation in a patch of skin. Which accessory structure is most likely damaged?

Accepted Answer

Merkel cell

Question 15

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

Accepted Answer

Eccrine glands secrete directly onto the skin surface, while apocrine glands secrete into hair follicles

Question 16

Which of the following best explains the wide variety of human skin colors, given that all people have the same number of melanocytes?

Accepted Answer

Differences in the amount and type of melanin produced

Question 17

Which of the following is a correct match between a nervous tissue cell type and its primary function?

Accepted Answer

Neuron – transmitting electrical impulses

Question 18

A patient with a deficiency in vitamin D is likely to experience which of the following symptoms?

Accepted Answer

Impaired calcium absorption and bone weakness

Question 19

Which of the following best describes the function of collagen fibers in connective tissue?

Accepted Answer

Providing tensile strength and resistance to stretching

Question 20

A 25-year-old patient has a wound that is healing slowly. Which of the following factors is most likely contributing to the delayed tissue repair?

Accepted Answer

Poor blood supply to the affected area

Tissues and Integumentary System: Study Guide

Guida di studio - Domande di pratica

Study guide - Flashcard