Q: Which of the following equations best represents the rate of diffusion ($R$) across a simple squamous epithelium, given surface area ($A$), concentration difference ($ riangle C$), and membrane thickness ($d$)?

$R = \frac{A \times \triangle C}{d}$

Question 1

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

Accepted Answer

Diffusion and filtration

Question 2

A tissue sample from the urinary bladder shows cells with variable appearance and the ability to stretch. Which type of epithelial tissue is most likely present?

Accepted Answer

Transitional epithelium

Question 3

Which characteristic is NOT typical of epithelial tissues?

Accepted Answer

Abundant extracellular material

Question 4

A gland that releases its secretory product by exocytosis of vesicles is classified as which type of exocrine gland?

Accepted Answer

Merocrine

Question 5

Which type of epithelial tissue is found lining the blood vessels and is specialized for rapid exchange of substances?

Accepted Answer

Simple squamous epithelium

Question 6

Which of the following equations best represents the rate of diffusion ($R$) across a simple squamous epithelium, given surface area ($A$), concentration difference ($	riangle C$), and membrane thickness ($d$)?

Accepted Answer

$R = \frac{A 	imes 	riangle C}{d}$

Question 7

Which type of epithelial tissue is most likely to be found in areas subject to abrasion, such as the skin and mouth?

Accepted Answer

Stratified squamous epithelium

Question 8

A patient has a blockage in the sweat glands. Which type of epithelial tissue is most likely affected?

Accepted Answer

Stratified cuboidal epithelium

Question 9

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

Accepted Answer

Pseudostratified tissues have all cells attached to the basement membrane

Question 10

Which type of gland releases its secretory product when the entire cell ruptures and dies?

Accepted Answer

Holocrine gland

Question 11

Which of the following best explains why epithelial tissues have a high mitotic rate?

Accepted Answer

They are exposed to frequent wear and tear and need constant renewal

Question 12

Which type of epithelial tissue is specialized for secretion and absorption and is commonly found in the thyroid gland?

Accepted Answer

Simple cuboidal epithelium

Question 13

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

Accepted Answer

Support and movement

Question 14

A multicellular gland that releases its product by pinching off the apical portion of the cell is classified as:

Accepted Answer

Apocrine

Question 15

Which type of epithelial tissue lines the trachea and is involved in moving mucus and trapped particles?

Accepted Answer

Ciliated pseudostratified columnar epithelium

Question 16

Which of the following best describes the arrangement of cells in epithelial tissue?

Accepted Answer

Cells are arranged in continuous sheets with little extracellular material

Question 17

Which equation would you use to estimate the total number of cell layers ($N$) in a stratified epithelium, given the total tissue thickness ($T$) and average cell height ($h$)?

Accepted Answer

$N = \frac{T}{h}$

Question 18

Which of the following is a unicellular gland found in epithelial tissue that secretes mucus?

Accepted Answer

Goblet cell

Question 19

Which type of epithelial tissue is found in the male urethra and vas deferens, and functions in support and some movement?

Accepted Answer

Stratified columnar epithelium

Question 20

Which of the following is NOT one of the four basic types of tissue in the human body?

Accepted Answer

Cartilage tissue

Histology and Epithelial Tissue: Structure, Classification, and Function

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