Question 1

Which of the following best describes the primary function of epithelial tissue?

Accepted Answer

Cover and protect body surfaces and internal cavities

Question 2

A tissue sample from the lining of the small intestine shows cells with microvilli on their apical surface. What is the main function of these microvilli?

Accepted Answer

Increase surface area for absorption

Question 3

Which type of epithelial tissue would you expect to find lining the alveoli of the lungs, where rapid gas exchange occurs?

Accepted Answer

Simple squamous epithelium

Question 4

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

Accepted Answer

It consists of the basal lamina and reticular lamina, providing support and selective filtration

Question 5

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

Accepted Answer

Merocrine

Question 6

Which connective tissue fiber type provides the greatest tensile strength, as found in tendons and bone?

Accepted Answer

Collagen fibers

Question 7

A patient has a genetic defect affecting the adhesion proteins in their epithelial tissue. Which of the following consequences is most likely?

Accepted Answer

Impaired anchoring of epithelial cells, leading to increased tissue fragility

Question 8

Which of the following is a correct classification for a gland that releases hormones directly into the bloodstream?

Accepted Answer

Endocrine gland

Question 9

If a tissue sample is described as 'stratified cuboidal epithelium,' what does this mean?

Accepted Answer

It has multiple layers, with cuboidal cells at the apical surface

Question 10

Which connective tissue cell type is responsible for secreting the extracellular matrix in cartilage?

Accepted Answer

Chondroblasts

Question 11

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

Accepted Answer

Compound alveolar

Question 12

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

Accepted Answer

Secretion of digestive enzymes

Question 13

Which type of junction allows small molecules to pass directly between adjacent epithelial cells for communication?

Accepted Answer

Gap junctions

Question 14

A tissue sample from the urinary bladder shows cells that change shape when stretched. What type of epithelium is this?

Accepted Answer

Transitional epithelium

Question 15

Which connective tissue class is characterized by a matrix that is 80% water, avascular, and contains chondrocytes in lacunae?

Accepted Answer

Cartilage

Question 16

Which formula best represents the relationship between the number of cell layers ($$n) $$and the classification of epithelial tissue?

Accepted Answer

$$n = 1$$ \rightarrow$$ simple epithelium; n$$ \u003e 1$$ \rightarrow$$ stratified epithelium

Question 17

Which of the following best explains why epithelial tissue has a high rate of regeneration?

Accepted Answer

It is often exposed to harsh environments and needs to replace damaged cells frequently

Question 18

Which cell type is responsible for producing the extracellular matrix in connective tissue proper?

Accepted Answer

Fibroblasts

Question 19

A gland that releases its product by rupture of the entire cell is classified as:

Accepted Answer

Holocrine

Question 20

Which of the following is a correct sequence for the structural elements of connective tissue from most to least cellular?

Accepted Answer

Cells $$\rightarrow$$ Ground substance $$\rightarrow$$ Fibers

Overview and Classification of Human Tissues: Focus on Epithelial Tissue

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