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

Which component of the extracellular matrix is primarily responsible for attracting water molecules and providing resistance to compression?

Accepted Answer

Glycosaminoglycans (GAGs)

Question 3

A tissue sample shows cells tightly packed in continuous sheets with little visible extracellular matrix, forming the outer layer of the skin. Which tissue type is this?

Accepted Answer

Epithelial tissue

Question 4

Which type of cell junction forms an impermeable seal between adjacent epithelial cells, preventing passage of substances between them?

Accepted Answer

Tight junctions

Question 5

A patient has a genetic defect affecting collagen synthesis. Which tissue type would be most directly impacted by this defect?

Accepted Answer

Connective tissue

Question 6

Which of the following best explains why stratified squamous epithelium is found lining the esophagus?

Accepted Answer

It resists abrasion from food passage

Question 7

Which formula correctly represents the calculation of the surface area ($$A) of a $$simple cuboidal epithelial cell, assuming the cell is a cube with side length $$l$$?

Accepted Answer

$$A = 6l^2$

Question 8

Which type of exocrine gland releases its product by the entire cell rupturing, as seen in sebaceous glands?

Accepted Answer

Holocrine gland

Question 9

A histology slide shows a single layer of tall, narrow cells with microvilli and goblet cells. Which function is most likely associated with this tissue?

Accepted Answer

Absorption and secretion in the digestive tract

Question 10

Which of the following is a correct description of the role of desmosomes in tissue structure?

Accepted Answer

They anchor cells together and resist mechanical stress

Question 11

Which type of epithelial tissue is specialized for stretching and is found lining the urinary bladder?

Accepted Answer

Transitional epithelium

Question 12

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

Accepted Answer

Exocrine glands secrete products into ducts; endocrine glands secrete into the bloodstream

Question 13

Which of the following formulas represents the rate of diffusion ($$J) $$across a simple squamous epithelium, according to Fick's law?

Accepted Answer

$$J = D \frac{\Delta C}{d}$$

Question 14

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

Accepted Answer

Stellate

Question 15

A multicellular exocrine gland with a branched duct and acinar secretory units is classified as:

Accepted Answer

Compound acinar gland

Question 16

Which extracellular matrix protein provides elasticity to tissues such as skin and lungs?

Accepted Answer

Elastin

Question 17

Which of the following best explains the function of gap junctions in cardiac muscle tissue?

Accepted Answer

They allow ions to pass directly between cells for synchronized contraction

Question 18

Which type of epithelial tissue is most likely to be found in kidney tubules, facilitating absorption and secretion?

Accepted Answer

Simple cuboidal epithelium

Question 19

A gland releases its product by exocytosis without loss of cytoplasm. Which type of secretion is this?

Accepted Answer

Merocrine secretion

Question 20

Which of the following is a function of goblet cells found in epithelial tissue?

Accepted Answer

Secretion of mucus

Histology I: Introduction to Tissues and Epithelial Tissue Structure

Guida di studio - Domande di pratica

Study guide - Flashcard