Question 1

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

Accepted Answer

Rapid diffusion of gases

Question 2

A tissue sample is prepared for light microscopy. Which sequence of steps is correct for optimal visualization?

Accepted Answer

Fixed, sectioned, stained

Question 3

Which structural feature is unique to cardiac muscle tissue and allows for synchronized contraction?

Accepted Answer

Intercalated discs

Question 4

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

Accepted Answer

Merocrine

Question 5

Which of the following statements about epithelial tissue is correct?

Accepted Answer

Epithelial tissue is supported by a basement membrane

Question 6

A biopsy from the lining of the urinary bladder shows cells that change shape when stretched. Which type of epithelium is this?

Accepted Answer

Transitional

Question 7

Which of the following best explains why epithelial tissues are avascular but innervated?

Accepted Answer

They receive nutrients by diffusion from underlying connective tissue and are supplied by nerve fibers

Question 8

A patient has a tumor that has penetrated the basement membrane of an epithelial tissue. What is the clinical significance of this finding?

Accepted Answer

The tumor is likely malignant and can invade underlying tissues

Question 9

Which of the following is a correct pairing of epithelial tissue and its primary function?

Accepted Answer

Stratified squamous epithelium – protection from abrasion

Question 10

Which of the following best describes the difference between TEM and SEM in microscopy?

Accepted Answer

TEM shows internal sections, SEM shows surface details

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 a characteristic of smooth muscle tissue?

Accepted Answer

Spindle-shaped cells with a single nucleus

Question 13

Which of the following best explains why simple epithelia are found in areas where absorption and filtration occur?

Accepted Answer

Their single layer allows for efficient exchange of materials

Question 14

A gland that accumulates its product until the cell ruptures is classified as:

Accepted Answer

Holocrine

Question 15

Which of the following is true regarding the polarity of epithelial cells?

Accepted Answer

The apical surface faces the lumen or external environment

Question 16

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

Accepted Answer

Prevent leakage of substances between adjacent cells

Question 17

A tissue sample from the trachea shows a single layer of cells of varying heights, with cilia and mucus-secreting cells. This is most likely:

Accepted Answer

Pseudostratified columnar epithelium

Question 18

Which of the following is a correct statement about glandular epithelium?

Accepted Answer

Exocrine glands secrete their products onto body surfaces or into body cavities

Question 19

Which of the following best explains why skeletal muscle is classified as voluntary muscle?

Accepted Answer

It can be consciously controlled

Question 20

A patient with a genetic defect in collagen synthesis would most likely have problems with which part of the epithelial tissue?

Accepted Answer

Reticular lamina of the basement membrane

Tissue: The Living Fabric – An Overview of Human Tissue Types

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