Question 1

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

Accepted Answer

Absorption and filtration due to its thin, single-layered structure

Question 2

A tissue sample from the kidney tubules is examined under a microscope. The cells are cube-shaped and arranged in a single layer. Which type of epithelial tissue is this?

Accepted Answer

Simple cuboidal epithelium

Question 3

Which feature is unique to epithelial tissue and helps anchor it to underlying connective tissue?

Accepted Answer

Basement membrane

Question 4

A patient has a genetic disorder that prevents the formation of cilia on respiratory epithelial cells. Which of the following is a likely consequence?

Accepted Answer

Impaired movement of mucus out of the respiratory tract

Question 5

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

Accepted Answer

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

Question 6

Which of the following epithelial tissues is specialized for stretching and is found lining the urinary bladder?

Accepted Answer

Transitional epithelium

Question 7

A biopsy from the esophagus reveals multiple layers of cells with the topmost layer being flat and scale-like. Which type of epithelium is this?

Accepted Answer

Stratified squamous epithelium

Question 8

Which of the following is a function of goblet cells found in columnar and pseudostratified columnar epithelium?

Accepted Answer

Production of mucus for protection and lubrication

Question 9

Which structural feature allows simple columnar epithelium in the small intestine to maximize absorption?

Accepted Answer

Presence of microvilli on the apical surface

Question 10

A gland is classified as compound tubuloalveolar. Which of the following best describes its structure?

Accepted Answer

It has branched ducts with both tube-shaped and sac-like secretory portions.

Question 11

Which of the following equations best represents the relationship between surface area and absorption rate in epithelial tissues with microvilli?

Accepted Answer

$$A = k 	imes S$$

Question 12

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

Accepted Answer

Rich blood supply within the tissue

Question 13

A patient presents with a burn that destroys the epidermis. Which type of epithelial tissue is primarily affected?

Accepted Answer

Stratified squamous epithelium (keratinized)

Question 14

Which of the following best explains why simple squamous epithelium is not found in areas subject to high abrasion?

Accepted Answer

It is a single layer and provides minimal protection.

Question 15

Which of the following best describes the arrangement of nuclei in pseudostratified columnar epithelium?

Accepted Answer

Nuclei are at varying levels, giving a false impression of stratification.

Question 16

Which of the following is a real-life example of a compound alveolar gland?

Accepted Answer

Mammary gland

Question 17

A tissue sample shows cells that change shape from cuboidal to squamous as the organ stretches. Which organ is this tissue most likely from?

Accepted Answer

Urinary bladder

Question 18

Which of the following best describes the secretion process of exocrine glands?

Accepted Answer

Through ducts onto epithelial surfaces

Question 19

Which of the following is a function of keratin in stratified squamous epithelium?

Accepted Answer

Waterproofs and toughens the skin

Question 20

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

Accepted Answer

They have a high rate of mitosis.

Classification of Tissues: Epithelial Tissue Structure and Function

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