Question 1

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

Accepted Answer

Facilitating rapid diffusion of gases due to its thin, flattened cells

Question 2

A tissue sample from the kidney tubules shows a single layer of cube-shaped cells. Which type of epithelial tissue is this, and what is its main function?

Accepted Answer

Simple cuboidal epithelium; secretion and absorption

Question 3

Which structural feature of epithelial cells increases their surface area for absorption, especially in the small intestine?

Accepted Answer

Microvilli

Question 4

Epithelial tissue is classified based on which two criteria?

Accepted Answer

Number of cell layers and cell shape

Question 5

A biopsy reveals multiple layers of flattened, scale-like cells. Which type of epithelial tissue is this, and where is it most likely found?

Accepted Answer

Stratified squamous epithelium; skin epidermis

Question 6

Which of the following equations correctly represents the relationship between surface area ($$A) $$and absorption rate ($$R) in $$epithelial tissue, assuming absorption rate is directly proportional to surface area?

Accepted Answer

$$R = kA$$

Question 7

A patient with damage to the basement membrane of epithelial tissue would most likely experience which of the following problems?

Accepted Answer

Reduced attachment of epithelial cells to underlying connective tissue

Question 8

Which type of epithelial tissue is best suited for areas subject to abrasion, such as the lining of the mouth and esophagus?

Accepted Answer

Stratified squamous epithelium

Question 9

If a tissue sample contains cells that are taller than they are wide and arranged in a single layer, which type of epithelial tissue is present?

Accepted Answer

Simple columnar epithelium

Question 10

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

Accepted Answer

Cells are highly vascularized

Question 11

A researcher observes fingerlike projections on the apical surface of epithelial cells in the small intestine. What is the primary function of these structures?

Accepted Answer

To increase surface area for absorption

Question 12

Which of the following best explains why simple squamous epithelium is found in the alveoli of the lungs?

Accepted Answer

Its thin, flat cells allow for efficient gas exchange by diffusion

Question 13

Which statement correctly matches the epithelial tissue type with its location and function?

Accepted Answer

Stratified squamous epithelium; found in the skin; protects against abrasion

Question 14

Which of the following cell shapes is described as 'box-like' and is typically found in tissues specialized for secretion and absorption?

Accepted Answer

Cuboidal

Question 15

A histology slide shows a single layer of tall, column-shaped cells with nuclei near the base. Which tissue type is this, and what is a common function?

Accepted Answer

Simple columnar epithelium; absorption

Question 16

Which of the following is a correct sequence for classifying epithelial tissue?

Accepted Answer

Number of cell layers, cell shape

Question 17

Which equation would you use to calculate the total number of cells ($$N) in a $$simple cuboidal epithelium covering a surface area $$A if $$each cell has an average area $$a$$?

Accepted Answer

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

Question 18

Which of the following is a function of the basement membrane in epithelial tissue?

Accepted Answer

It anchors epithelial cells to underlying connective tissue

Question 19

Which type of epithelial tissue would be most effective at allowing rapid passage of substances by diffusion and filtration?

Accepted Answer

Simple squamous epithelium

Question 20

A tissue sample from the lining of the stomach shows tall cells with microvilli and goblet cells. Which type of epithelial tissue is this, and what is its main function?

Accepted Answer

Simple columnar epithelium; absorption and mucus secretion

Tissues and Epithelial Tissue: Structure, Classification, and Function

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