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Epithelial Tissue Structure and Classification Quiz

#1

Which of the following is a characteristic of epithelial tissue?

Avascular but innervated
Explanation

Epithelial tissue lacks blood vessels but is supplied with nerve fibers.

#2

What is the primary function of transitional epithelium in the urinary system?

Stretch and recoil
Explanation

Transitional epithelium allows the urinary system to stretch and recoil during filling and emptying.

#3

Which of the following is a characteristic of simple cuboidal epithelium?

Single layer of cube-shaped cells
Explanation

Simple cuboidal epithelium is composed of a single layer of cube-shaped cells.

#4

What is the primary function of stratified columnar epithelium?

Protection
Explanation

Stratified columnar epithelium provides protection, typically in areas of transition.

#5

Which type of epithelial tissue is found in the lining of the stomach?

Simple columnar epithelium
Explanation

Simple columnar epithelium lines the stomach, facilitating absorption and secretion.

#6

What is the primary function of simple squamous epithelium?

Filtration
Explanation

Simple squamous epithelium is thin and allows for the filtration of substances.

#7

Which of the following epithelial tissues is found in the urinary bladder?

Transitional epithelium
Explanation

Transitional epithelium allows for stretching and recoiling, suitable for the urinary bladder.

#8

Where is pseudostratified columnar epithelium commonly found in the body?

Bronchi of the respiratory tract
Explanation

Pseudostratified columnar epithelium lines the respiratory passages, including the bronchi.

#9

What is the primary function of goblet cells in epithelial tissues?

Secretion of mucus
Explanation

Goblet cells produce and secrete mucus, aiding in lubrication and protection.

#10

What distinguishes stratified cuboidal epithelium from simple cuboidal epithelium?

Number of layers
Explanation

Stratified cuboidal epithelium consists of multiple layers, unlike simple cuboidal epithelium.

#11

What is the primary function of cilia in epithelial cells?

Movement of mucus
Explanation

Cilia on epithelial cells facilitate the movement of mucus along surfaces.

#12

Which type of epithelial tissue is best suited for areas subjected to friction?

Stratified squamous epithelium
Explanation

Stratified squamous epithelium provides protection against mechanical stress and friction.

#13

Which of the following is a characteristic feature of stratified squamous epithelium?

Protective function
Explanation

Stratified squamous epithelium serves a protective role due to its multiple layers.

#14

In which organ would you find simple columnar epithelium with microvilli?

Small intestine
Explanation

Simple columnar epithelium with microvilli is found in the small intestine, aiding in absorption.

#15

What is the primary function of microvilli in epithelial cells?

Absorption
Explanation

Microvilli increase the surface area of epithelial cells, enhancing absorption.

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