Q: Which equation best represents the relationship between surface area and absorption in epithelial tissues with microvilli?

$$A_{total} = n \times A_{microvillus}$$

Question 1

Which of the following best describes the tissue shown in the first image (Image 1)?

Accepted Answer

Simple columnar epithelium

Question 2

A tissue sample from the kidney tubules is most likely to show which type of epithelial tissue?

Accepted Answer

Simple cuboidal epithelium

Question 3

Which feature distinguishes stratified squamous epithelium from simple squamous epithelium?

Accepted Answer

Multiple layers of flattened cells

Question 4

Which of the following is a function of simple columnar epithelium in the digestive tract?

Accepted Answer

Absorption and secretion of mucus and enzymes

Question 5

A tissue sample shows cells with elongated nuclei located near the base of tall cells, with microvilli on the apical surface. What is the most likely tissue type?

Accepted Answer

Simple columnar epithelium

Question 6

Which equation best represents the relationship between surface area and absorption in epithelial tissues with microvilli?

Accepted Answer

$$A_{total} = n 	imes A_{microvillus}$$

Question 7

Which of the following statements about epithelial tissue polarity is correct?

Accepted Answer

The apical surface is exposed to the exterior or cavity

Question 8

A patient with damage to the stratified squamous epithelium of the esophagus would most likely experience which of the following symptoms?

Accepted Answer

Increased risk of abrasion and injury to the esophagus

Question 9

Which of the following best describes the function of tight junctions in epithelial tissue?

Accepted Answer

Prevent leakage of extracellular fluid between cells

Question 10

Which tissue type is avascular but innervated, and can regenerate rapidly after injury?

Accepted Answer

Epithelial tissue

Question 11

Which of the following equations correctly represents the calculation of the total number of epithelial cells in a given area if each cell covers an area $$a$$ and the total tissue area is $$A$$?

Accepted Answer

$$N = \frac{A}{a}$$

Question 12

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

Accepted Answer

Contains abundant blood vessels

Question 13

Which type of epithelial tissue would you expect to find lining the alveoli of the lungs, where rapid diffusion of gases occurs?

Accepted Answer

Simple squamous epithelium

Question 14

A biopsy from the lining of the urinary bladder shows multiple layers of cells with varying shapes. Which epithelial type is most likely present?

Accepted Answer

Transitional epithelium

Question 15

Which of the following best explains why epithelial tissues are supported by a basement membrane?

Accepted Answer

To reinforce the epithelial sheet and resist stretching and tearing

Question 16

Which of the following cell junctions is primarily responsible for anchoring epithelial cells to each other?

Accepted Answer

Desmosomes

Question 17

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

Accepted Answer

Simple epithelia consist of a single layer of cells

Question 18

Which of the following best describes the role of goblet cells in simple columnar epithelium?

Accepted Answer

Secretion of mucus

Question 19

A tissue sample from the esophagus is most likely to show which type of epithelial tissue?

Accepted Answer

Stratified squamous epithelium

Question 20

Which of the following best describes the function of cilia on the apical surface of epithelial cells in the trachea?

Accepted Answer

Move mucus and trapped particles out of the respiratory tract

Epithelial Tissues: Structure, Classification, and Identification

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