Q: Which of the following equations best represents the calculation of total surface area ($$A_{total}) $$for absorption in a tissue with $$n$$ microvilli, each with surface area $$A_{mv}$$?

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

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

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 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

Which equation correctly represents the relationship between the rate of diffusion ($$R) $$and surface area ($$A) in $$simple squamous epithelium?

Accepted Answer

$$R = k \cdot A \cdot (C_1$ - C_2$)$$

Question 6

A patient has damage to the basement membrane of their epithelial tissue. Which consequence is most likely?

Accepted Answer

Impaired attachment of epithelial cells to connective tissue

Question 7

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

Accepted Answer

It contains abundant collagen fibers in the matrix

Question 8

If a tissue sample shows multiple layers of flat, scale-like cells, which type of epithelial tissue is present?

Accepted Answer

Stratified squamous epithelium

Question 9

Which of the following best explains why simple cuboidal epithelium is found in kidney tubules?

Accepted Answer

It allows for efficient secretion and absorption

Question 10

A researcher observes a single layer of tall, column-shaped cells with nuclei located near the base. Which tissue type is this?

Accepted Answer

Simple columnar epithelium

Question 11

Which of the following is a correct pairing of epithelial tissue type and its primary function?

Accepted Answer

Simple cuboidal epithelium – secretion and absorption

Question 12

Which layer of the skin is primarily composed of epithelial tissue?

Accepted Answer

Epidermis

Question 13

Which of the following statements about microvilli is TRUE?

Accepted Answer

Microvilli increase the surface area for absorption

Question 14

Which tissue type would you expect to find lining the inside of blood vessels, facilitating the exchange of nutrients and gases?

Accepted Answer

Simple squamous epithelium

Question 15

Which of the following equations best represents the calculation of total surface area ($$A_{total}) $$for absorption in a tissue with $$n$$ microvilli, each with surface area $$A_{mv}$$?

Accepted Answer

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

Question 16

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

Accepted Answer

Simple epithelia consist of a single layer of cells

Question 17

Which of the following is most likely to be found in areas of the body subject to abrasion, such as the skin surface?

Accepted Answer

Stratified squamous epithelium

Question 18

Which statement best explains why epithelial tissue is avascular?

Accepted Answer

Epithelial cells are too tightly packed for blood vessels to penetrate

Question 19

Which of the following cell shapes is best described as 'box-like' and is commonly found in glandular tissue?

Accepted Answer

Cuboidal

Question 20

A tissue sample from the lining of the stomach shows tall cells with nuclei near the base and many goblet cells. What is the most likely function of this tissue?

Accepted Answer

Secretion and absorption

Tissues and Epithelial Tissue: Structure, Classification, and Function

Guida di studio - Domande di pratica

Study guide - Flashcard