Question 1

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

Accepted Answer

It contains abundant blood vessels within the tissue.

Question 2

A patient presents with a tumor that has penetrated the basement membrane and invaded underlying tissues. This is an example of:

Accepted Answer

Homeostatic imbalance leading to cancerous invasion

Question 3

Which type of epithelial tissue is best adapted for rapid diffusion and is found in the air sacs of the lungs and lining of blood vessels?

Accepted Answer

Simple squamous epithelium

Question 4

A gland that releases its product by exocytosis without damaging the cell is classified as:

Accepted Answer

Merocrine

Question 5

Which of the following best describes the function of microvilli on the apical surface of epithelial cells?

Accepted Answer

Increase surface area for absorption

Question 6

A biopsy of a patient’s sweat gland reveals a duct with two layers of cube-shaped cells. This tissue is most likely:

Accepted Answer

Stratified cuboidal epithelium

Question 7

Which of the following statements about the basement membrane is TRUE?

Accepted Answer

It is composed of the basal lamina and reticular lamina.

Question 8

A tissue sample from the trachea shows cells of varying heights, all attached to the basement membrane, with cilia on the apical surface. This tissue is most likely:

Accepted Answer

Pseudostratified columnar epithelium

Question 9

Which of the following best explains why epithelial tissues are more likely to regenerate rapidly after injury compared to connective tissues?

Accepted Answer

Epithelial cells are stimulated to divide by loss of polarity and broken lateral contacts.

Question 10

Which of the following is a function of goblet cells found in the respiratory and digestive tracts?

Accepted Answer

Secretion of mucin to form mucus

Question 11

A patient with chronic kidney disease has impaired filtration in the nephrons. Which epithelial tissue is most likely affected?

Accepted Answer

Simple squamous epithelium

Question 12

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 into ducts.

Question 13

Which of the following best explains why transitional epithelium is found in the urinary bladder?

Accepted Answer

It allows the bladder to stretch and increase storage capacity.

Question 14

A multicellular exocrine gland with a branched duct and sac-like secretory units is classified as:

Accepted Answer

Compound alveolar gland

Question 15

Which of the following is a correct sequence of steps for preparing tissue for light microscopy?

Accepted Answer

Fixation, sectioning, staining

Question 16

A researcher is studying a gland that accumulates its product until the entire cell ruptures, releasing the secretion. This gland is classified as:

Accepted Answer

Holocrine

Question 17

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

Accepted Answer

They prevent substances from passing between adjacent cells.

Question 18

A tissue sample from the esophagus shows multiple layers of cells with the apical layer being flat and scale-like. This tissue is most likely:

Accepted Answer

Stratified squamous epithelium

Question 19

Which of the following equations best represents the relationship between the rate of diffusion ($$R$$), surface area ($$A$$), and thickness ($$d) of an $$epithelial membrane, assuming a constant diffusion coefficient ($$D$$)?

Accepted Answer

$$R = D \frac{A}{d}$$

Question 20

A patient with cystic fibrosis has thick, sticky mucus in the respiratory tract. Which epithelial cell type is most directly involved in the production of this mucus?

Accepted Answer

Goblet cells

Tissue: The Living Fabric – An Introduction to Human Tissues

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