Question 1

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

Accepted Answer

Passage of materials by passive diffusion and filtration

Question 2

A tissue sample from the lining of the esophagus is examined under a microscope. The sample shows multiple layers of cells, with the surface cells being flat and dead. Which type of epithelial tissue is this most likely to be?

Accepted Answer

Stratified squamous epithelium, nonkeratinized

Question 3

Which of the following is a characteristic unique to epithelial tissue compared to other basic tissue types?

Accepted Answer

Is avascular but innervated

Question 4

A patient has a genetic defect affecting the tight junctions between epithelial cells. Which of the following is a likely consequence?

Accepted Answer

Increased passage of substances between cells

Question 5

Which type of epithelial tissue is best adapted for rapid diffusion of gases and where is it commonly found?

Accepted Answer

Simple squamous epithelium; alveoli of lungs

Question 6

Which of the following best explains why epithelial tissues are able to regenerate quickly after injury?

Accepted Answer

They are supported by connective tissue and have high rates of cell division

Question 7

A biopsy from a gland shows a single layer of cube-shaped cells with large, central nuclei. Which function is this tissue most likely specialized for?

Accepted Answer

Secretion and absorption

Question 8

Which of the following statements about pseudostratified columnar epithelium is correct?

Accepted Answer

It is found lining the trachea and contains cilia and goblet cells

Question 9

A tissue sample from the lining of the small intestine is examined. The cells are tall, have oval nuclei, and some have cilia. Which type of epithelial tissue is this?

Accepted Answer

Simple columnar epithelium

Question 10

Which of the following best describes the relationship between epithelial and connective tissues?

Accepted Answer

Epithelial tissue receives nutrients from underlying connective tissue because it is avascular

Question 11

A researcher is studying a tissue that lines the ducts of large sweat glands and is composed of two layers of cube-shaped cells. What is the most likely function of this tissue?

Accepted Answer

Protection

Question 12

Which of the following is a key difference between simple and stratified epithelial tissues?

Accepted Answer

Simple epithelia have one layer of cells, while stratified have two or more layers

Question 13

Which of the following best explains why the skin is waterproof?

Accepted Answer

It contains keratinized stratified squamous epithelium

Question 14

A patient with chronic acid reflux is at risk for damage to which type of epithelial tissue lining the esophagus?

Accepted Answer

Stratified squamous epithelium, nonkeratinized

Question 15

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

Accepted Answer

Support

Question 16

A tissue sample from the trachea shows cells of varying heights, all attached to the basement membrane, with cilia on the apical surface. What is the main function of this tissue?

Accepted Answer

Secretion and propulsion of mucus

Question 17

Which of the following best describes the polarity of epithelial cells?

Accepted Answer

The apical surface differs from the basal surface in structure and function

Question 18

A rare epithelial tissue found in the male urethra and large ducts of some glands is specialized for both protection and secretion. Which type is this?

Accepted Answer

Stratified columnar epithelium

Question 19

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$$ simple epithelium; n$$ \u003e 1$$ \implies$$ stratified epithelium

Question 20

A patient has a mutation that prevents the formation of goblet cells in the respiratory tract. Which of the following is a likely consequence?

Accepted Answer

Reduced mucus secretion, leading to increased risk of infection

Anatomy & Physiology Study Notes: Tissues and Epithelial Tissue

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