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 biopsy sample from a patient's lung shows a single layer of flattened cells lining the alveoli. Which type of epithelium is this, and what is its primary function?

Accepted Answer

Simple squamous epithelium; rapid diffusion

Question 3

Which of the following best describes the difference between endocrine and exocrine glands?

Accepted Answer

Endocrine glands secrete hormones into interstitial fluid; exocrine glands secrete products onto body surfaces or into cavities

Question 4

A researcher is preparing a tissue sample for electron microscopy. Which of the following steps is unique to electron microscopy compared to light microscopy?

Accepted Answer

Staining the tissue with heavy metal coatings

Question 5

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

Accepted Answer

It reinforces the epithelial sheet and resists stretching and tearing

Question 6

A patient with a genetic defect in desmosome formation would most likely experience which of the following symptoms?

Accepted Answer

Reduced ability of epithelial cells to adhere to each other, leading to blistering

Question 7

Which type of epithelial tissue is best suited for areas of the body subject to high abrasion, such as the skin?

Accepted Answer

Stratified squamous epithelium

Question 8

A gland that accumulates its product until the cell ruptures, releasing both the secretion and cell fragments, is classified as which type of gland?

Accepted Answer

Holocrine

Question 9

Which of the following best explains why epithelial tissues are able to regenerate rapidly after injury?

Accepted Answer

They have a high rate of cell division stimulated by loss of polarity and broken lateral contacts

Question 10

A histology slide shows a tissue with a single layer of tall, closely packed cells, some with cilia and goblet cells. This tissue is most likely found in which organ and serves what function?

Accepted Answer

Digestive tract; absorption and secretion of mucus

Question 11

Which of the following is a function of microvilli on the apical surface of epithelial cells?

Accepted Answer

Increase surface area for absorption

Question 12

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

Accepted Answer

Compound alveolar

Question 13

Which of the following best describes the process by which epithelial tissues receive nutrients?

Accepted Answer

Diffusion from underlying connective tissues

Question 14

A tissue sample from the urinary bladder shows cells that change shape when stretched. Which type of epithelium is this, and what is its functional advantage?

Accepted Answer

Transitional epithelium; allows for increased storage capacity

Question 15

Which of the following is a correct pairing of epithelial type and its location?

Accepted Answer

Stratified cuboidal epithelium – sweat gland ducts

Question 16

Which of the following statements about pseudostratified columnar epithelium is TRUE?

Accepted Answer

It is found primarily in the upper respiratory tract

Question 17

A patient is diagnosed with carcinoma in situ (early-stage cancer) of the epithelium. Which barrier is most important in preventing the spread of cancerous cells to underlying tissues?

Accepted Answer

Basement membrane

Question 18

Which of the following best describes the function of goblet cells in epithelial tissue?

Accepted Answer

Produce mucin that forms mucus for lubrication and protection

Question 19

A multicellular exocrine gland that releases its product by exocytosis without damaging the cell is classified as which type?

Accepted Answer

Merocrine

Question 20

Which of the following best explains why stratified epithelia are more durable than simple epithelia?

Accepted Answer

They consist of multiple layers, providing better protection against abrasion

Anatomy & Physiology: The Living Fabric – Tissues

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