Q: Which of the following equations best represents the relationship between the number of cell layers ($$n) $$and the classification of epithelial tissue?

$$n = 1$$ \implies \text{simple epithelium};\ n \u003e 1 \implies \text{stratified epithelium}$

Question 1

Which of the following best explains why epithelial tissue is avascular but still able to receive nutrients?

Accepted Answer

Epithelial cells are nourished by diffusion from underlying connective tissues.

Question 2

A patient presents with damage to the lining of their respiratory tract, resulting in impaired movement of mucus. Which epithelial tissue is most likely affected?

Accepted Answer

Pseudostratified ciliated columnar epithelium

Question 3

Which of the following is a function of simple squamous epithelium, and where is it commonly found?

Accepted Answer

Diffusion; lining air sacs of lungs

Question 4

A gland that releases its secretion directly onto the skin surface is classified as which type of gland?

Accepted Answer

Exocrine gland

Question 5

Which of the following best describes the main structural difference between simple and stratified epithelial tissues?

Accepted Answer

Simple epithelia have one layer of cells; stratified epithelia have two or more layers.

Question 6

Which of the following is NOT a characteristic of connective tissue?

Accepted Answer

Cells are tightly packed with little extracellular matrix.

Question 7

A biopsy reveals tissue with multiple layers of flat cells at the surface, providing protection in the mouth. Which tissue type is this?

Accepted Answer

Stratified squamous epithelium

Question 8

Which of the following best describes the function and location of transitional epithelium?

Accepted Answer

Stretches to allow stored urine to distend urinary organ; found in urinary bladder

Question 9

Which of the following statements about glandular epithelium is correct?

Accepted Answer

Endocrine glands secrete hormones directly into the blood without ducts.

Question 10

A histological sample shows cells with microvilli and goblet cells lining the digestive tract. Which epithelial tissue is this?

Accepted Answer

Simple columnar epithelium

Question 11

Which of the following connective tissue fibers provides the greatest tensile strength?

Accepted Answer

Collagen fibers

Question 12

A patient has a genetic disorder affecting the production of ground substance in connective tissue. Which of the following is most likely to be impaired?

Accepted Answer

The ability of connective tissue to resist compression

Question 13

Which of the following best describes the role of the extracellular matrix in connective tissue?

Accepted Answer

It provides structural support and separates the cells.

Question 14

Which of the following equations best represents the relationship between the number of cell layers ($$n) $$and the classification of epithelial tissue?

Accepted Answer

$$n = 1$$ \implies 	ext{simple epithelium};\ n \u003e 1 \implies 	ext{stratified epithelium}$

Question 15

A multicellular exocrine gland is composed of which of the following structural components?

Accepted Answer

A duct and a secretory unit

Question 16

Which of the following best explains why stratified epithelia are more durable than simple epithelia?

Accepted Answer

Stratified epithelia have multiple layers, providing better protection against abrasion.

Question 17

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

Accepted Answer

Bone; support and protection

Question 18

A tissue sample is observed to have cells that are as tall as they are wide, forming the secretory portion of glands. Which type of epithelium is this?

Accepted Answer

Simple cuboidal epithelium

Question 19

Which of the following best describes the function of goblet cells in epithelial tissue?

Accepted Answer

Secretion of mucus

Question 20

A patient with a burn injury loses the protective function of their skin. Which tissue type is primarily responsible for this function?

Accepted Answer

Stratified squamous epithelium

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