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 across the cell layer

Question 2

Which component of the extracellular matrix is primarily responsible for providing tensile strength to connective tissues?

Accepted Answer

Collagen fibers

Question 3

A tissue sample shows cells tightly packed in a single layer, with tall, narrow shapes and numerous microvilli. Which tissue type is most likely being observed?

Accepted Answer

Simple columnar epithelium

Question 4

Which type of cell junction is most important for preventing leakage of substances between epithelial cells lining the stomach?

Accepted Answer

Tight junctions

Question 5

A gland that releases its product by exocytosis without losing any part of the cell is classified as which type of exocrine gland?

Accepted Answer

Merocrine

Question 6

Which equation best represents the process of osmosis across a simple epithelial layer?

Accepted Answer

$J = L_p \Delta \pi$

Question 7

Which of the following is a key distinguishing feature of transitional epithelium found in the urinary bladder?

Accepted Answer

Cells change shape from round to flat when stretched

Question 8

A patient has a genetic defect in the proteins forming desmosomes. Which tissue would most likely be affected, and what symptom might result?

Accepted Answer

Epithelial tissue; increased skin blistering

Question 9

Which of the following best describes the role of glycosaminoglycans (GAGs) in the extracellular matrix?

Accepted Answer

Bind water and contribute to the gel-like consistency

Question 10

Which type of epithelial tissue is best suited for absorption and secretion in the kidney tubules?

Accepted Answer

Simple cuboidal epithelium

Question 11

Which of the following is TRUE regarding endocrine glands?

Accepted Answer

They release hormones directly into the bloodstream

Question 12

A histological slide shows multiple layers of flat, scaly cells with a surface layer of dead cells filled with keratin. What is the most likely tissue type?

Accepted Answer

Keratinized stratified squamous epithelium

Question 13

Which of the following cell morphologies is most likely to be found in neurons?

Accepted Answer

Stellate

Question 14

Which of the following best explains why simple columnar epithelium in the small intestine is well suited for absorption?

Accepted Answer

Presence of microvilli increases surface area

Question 15

Which type of exocrine gland releases its product by the rupture of entire cells?

Accepted Answer

Holocrine

Question 16

Which of the following is a function of stratified squamous epithelium in the esophagus?

Accepted Answer

Protection against abrasion

Question 17

Which equation best describes the rate of simple diffusion of a solute across an epithelial membrane?

Accepted Answer

$J = -D \frac{dC}{dx}$

Question 18

Which of the following is a characteristic of pseudostratified columnar epithelium?

Accepted Answer

All cells touch the basement membrane but nuclei are at different heights

Question 19

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

Accepted Answer

Secretion of mucus

Question 20

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

Accepted Answer

Compound acinar

Histology I: Introduction to Tissues and Epithelial Tissue

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