Question 1

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

Accepted Answer

Presence of abundant extracellular matrix

Question 2

A patient presents with a genetic defect affecting connexon proteins. Which cell junction would most likely be impaired?

Accepted Answer

Gap junctions

Question 3

Which layer of the basement membrane acts as a barrier to proteins and is secreted by epithelial cells?

Accepted Answer

Lamina lucida

Question 4

Which function of epithelial tissue is most directly related to the presence of tight junctions?

Accepted Answer

Control permeability

Question 5

Which type of gland releases hormones directly into the interstitial fluid and lacks ducts?

Accepted Answer

Endocrine gland

Question 6

A multicellular gland with a branched duct and tube-shaped secretory portions is classified as:

Accepted Answer

Compound tubular

Question 7

Which of the following best describes the role of desmosomes in epithelial tissue?

Accepted Answer

Tie cells together and allow bending and twisting

Question 8

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

Accepted Answer

Mucous membrane – lines respiratory tract

Question 9

Which type of exocrine gland secretion involves the entire cell rupturing to release its product?

Accepted Answer

Holocrine

Question 10

A researcher is studying a tissue that is highly regenerative, avascular, and forms the lining of the stomach. Which tissue type is being studied?

Accepted Answer

Epithelial tissue

Question 11

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

Accepted Answer

Provides strength and filtration

Question 12

Which cell junction is most important for isolating wastes in the lumen of the intestine?

Accepted Answer

Tight junction

Question 13

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

Accepted Answer

Produce blood cells

Question 14

Which of the following best describes the difference between serous and mucous membranes?

Accepted Answer

Serous membranes line closed cavities and produce transudate; mucous membranes line passageways with external connections and produce mucous

Question 15

Which of the following equations best represents the relationship between the number of cell layers ($n$) and the rate of diffusion ($D$) across an epithelial surface, assuming all other factors are constant?

Accepted Answer

$D \propto \frac{1}{n}$

Question 16

A tissue sample contains cells with abundant collagen fibers, ground substance, and various cell types. Which tissue is most likely being observed?

Accepted Answer

Connective tissue

Question 17

Which type of exocrine gland structure is found in the adult human body and is responsible for producing oil on the skin?

Accepted Answer

Simple branched alveolar

Question 18

Which membrane type produces a lubricating fluid and lines moving joint cavities?

Accepted Answer

Synovial membrane

Question 19

Which of the following best explains why epithelial tissue is avascular?

Accepted Answer

It relies on diffusion from underlying connective tissue for nutrients

Question 20

A multicellular gland with round, blind pockets and a divided duct system is classified as:

Accepted Answer

Compound alveolar (acinar)

Tissue Level of Organization: Epithelial Tissue

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