Question 1

Which of the following best describes the main function of simple squamous epithelium in the alveoli of the lungs?

Accepted Answer

Rapid diffusion of gases

Question 2

A tissue sample is observed to have multiple layers of cells, with the apical layer being flat and scale-like. Which type of epithelium is this most likely to be?

Accepted Answer

Stratified squamous epithelium

Question 3

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

Accepted Answer

Contains blood vessels within the tissue

Question 4

A patient presents with a tumor that has invaded underlying tissues beyond the basement membrane. This is most likely due to:

Accepted Answer

Cancerous epithelial cells not being contained by the basement membrane

Question 5

Which of the following best explains why epithelial tissues are able to regenerate rapidly?

Accepted Answer

They are supported by connective tissue and stimulated by loss of polarity and broken contacts

Question 6

Which type of gland releases its product by exocytosis without losing any part of the cell?

Accepted Answer

Merocrine gland

Question 7

Which of the following is a function of microvilli on the apical surface of epithelial cells?

Accepted Answer

Increase surface area for absorption

Question 8

A gland that secretes its product into the bloodstream is classified as:

Accepted Answer

Endocrine

Question 9

Which of the following best describes the difference between simple and stratified epithelia?

Accepted Answer

Simple epithelia have one layer; stratified epithelia have two or more layers

Question 10

Which of the following cell junctions is primarily responsible for preventing molecules from passing between adjacent epithelial cells?

Accepted Answer

Tight junctions

Question 11

A biopsy from the urinary bladder reveals an epithelium with cells that change shape when stretched. This tissue is most likely:

Accepted Answer

Transitional epithelium

Question 12

Which of the following best describes the function of goblet cells in the respiratory tract?

Accepted Answer

Secretion of mucus to trap particles

Question 13

Which of the following statements about connective tissue support for epithelial tissue is correct?

Accepted Answer

The basement membrane is composed of both the basal and reticular lamina

Question 14

Which of the following is a correct pairing of epithelial tissue and its primary function?

Accepted Answer

Stratified squamous epithelium – protection against abrasion

Question 15

Which of the following best describes the secretion method of holocrine glands?

Accepted Answer

Products accumulate and the cell ruptures, releasing contents

Question 16

A multicellular exocrine gland with a branched duct and sac-like secretory units is classified as:

Accepted Answer

Compound alveolar

Question 17

Which of the following is a real-life example of a location where you would find pseudostratified ciliated columnar epithelium?

Accepted Answer

Trachea

Question 18

Which of the following statements about glandular epithelia is correct?

Accepted Answer

Exocrine glands secrete their products into ducts

Question 19

Which of the following best explains why epithelial tissues are avascular?

Accepted Answer

They rely on diffusion from underlying connective tissues for nutrients

Question 20

A tissue sample from the small intestine shows a single layer of tall cells with microvilli and goblet cells. What is the primary function of this tissue?

Accepted Answer

Absorption and secretion of mucus and enzymes

Chapter 4: Tissue—The Living Fabric (Epithelial Tissue Focus)

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