Question 1

Which of the following best describes the main function of epithelial tissue?

Accepted Answer

Covers body surfaces, lines cavities, and forms glands for protection, secretion, and absorption

Question 2

A patient presents with a burn that affects both the epidermis and the entire dermis, but not underlying tissues. How would you classify this burn?

Accepted Answer

Third-degree burn (full thickness)

Question 3

Which connective tissue type is characterized by a matrix containing collagen fibers and is found in tendons and ligaments?

Accepted Answer

Dense regular connective tissue

Question 4

Which cell type is responsible for producing the extracellular matrix in connective tissue?

Accepted Answer

Fibroblast

Question 5

A patient has a tumor originating from epithelial cells of the skin. What is the most likely diagnosis?

Accepted Answer

Carcinoma

Question 6

Which of the following best describes the difference between endocrine and exocrine glands?

Accepted Answer

Endocrine glands secrete hormones directly into the bloodstream; exocrine glands secrete products onto epithelial surfaces via ducts.

Question 7

Which protein is most responsible for the waterproof barrier of the skin?

Accepted Answer

Keratin

Question 8

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

Accepted Answer

Production of red blood cells

Question 9

A patient with alopecia is experiencing which of the following?

Accepted Answer

Loss of hair

Question 10

Which of the following best describes the process of tissue repair in the skin after injury?

Accepted Answer

Inflammation, proliferation, and remodeling

Question 11

Which type of cartilage is most commonly found in the intervertebral discs and provides resistance to compression?

Accepted Answer

Fibrocartilage

Question 12

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

Accepted Answer

Produce melanin for UV protection

Question 13

Which of the following is a correct description of the difference between simple and stratified epithelial tissue?

Accepted Answer

Simple epithelium consists of a single layer; stratified epithelium consists of multiple layers.

Question 14

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

Accepted Answer

Thinning of the epidermis and reduced immune response

Question 15

Which of the following is a correct formula for calculating the surface area affected by burns using the 'Rule of Nines'?

Accepted Answer

$$Total\ Surface\ Area = \sum_{regions} (percentage\ of\ each\ region)$$

Question 16

Which of the following best describes the function of sweat glands in thermoregulation?

Accepted Answer

Release water and electrolytes to cool the body through evaporation

Question 17

Which of the following is a correct description of the difference between collagen and elastin fibers in connective tissue?

Accepted Answer

Collagen fibers provide strength; elastin fibers provide elasticity.

Question 18

A patient presents with a non-pigmented patch of skin due to lack of melanin production. What is the most likely diagnosis?

Accepted Answer

Albinism

Question 19

Which of the following best describes the role of nervous tissue in the integumentary system?

Accepted Answer

Transmits sensory information such as touch, pain, and temperature

Question 20

Which of the following is the correct sequence of layers in the epidermis from deepest to most superficial?

Accepted Answer

Stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum

Histology and the Integumentary System: Study Guide (Chapters 4-5)

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