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 from the skin surface is examined under a microscope. It shows multiple layers of flat, scale-like cells. Which type of epithelium is this?

Accepted Answer

Stratified squamous epithelium

Question 3

Which characteristic of epithelial tissue allows it to rapidly repair and replace damaged cells?

Accepted Answer

High regenerative capacity through mitosis

Question 4

A gland that releases its product directly into the bloodstream is classified as which type of gland?

Accepted Answer

Endocrine gland

Question 5

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

Accepted Answer

Generation of electrical impulses

Question 6

A patient presents with a burn that has destroyed the epidermis. Which type of epithelial tissue has been damaged?

Accepted Answer

Stratified squamous epithelium

Question 7

Which of the following best explains why cartilage heals slowly after injury?

Accepted Answer

Cartilage is avascular and relies on diffusion for nutrient supply

Question 8

Which connective tissue cell type is responsible for secreting the extracellular matrix and fibers?

Accepted Answer

Fibroblast

Question 9

A glandular cell releases its product by exocytosis without losing any part of the cell. Which mode of secretion is this?

Accepted Answer

Merocrine

Question 10

Which of the following equations correctly represents the relationship between the rate of diffusion ($R$) and the surface area ($A$) of simple squamous epithelium, assuming all other factors are constant?

Accepted Answer

$R = k 	imes A$

Question 11

Which of the following best describes the basement membrane in epithelial tissue?

Accepted Answer

It is the lower attached surface that anchors the epithelium to underlying connective tissue

Question 12

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

Accepted Answer

Compound alveolar gland

Question 13

Which connective tissue fiber type provides high tensile strength and is most abundant?

Accepted Answer

Collagen fibers

Question 14

A patient with chronic inflammation has an increased number of which connective tissue cell type that releases histamine and proteases?

Accepted Answer

Mast cells

Question 15

Which of the following is a correct sequence for the classification of epithelial tissue based on cell layers and cell shape?

Accepted Answer

Layer (simple/stratified) followed by shape (squamous/cuboidal/columnar)

Question 16

Which of the following best explains why the lining of the stomach is resistant to damage from acid?

Accepted Answer

Secretion of protective mucus by glandular epithelial cells

Question 17

Which equation best represents the relationship between the viscosity ($\eta$) of ground substance and the concentration of glycosaminoglycans ($C_{GAG}$) in connective tissue?

Accepted Answer

$\eta \propto C_{GAG}$

Question 18

Which of the following cell types is most likely to be found in the lining of the respiratory tract, where mucus movement is important?

Accepted Answer

Pseudostratified ciliated columnar epithelial cells

Question 19

A patient with a deficiency in fibroblast function would most likely experience problems with which of the following?

Accepted Answer

Formation of connective tissue matrix

Question 20

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

Accepted Answer

Prevent leakage of substances between cells

Tissues: The Living Fabric – Structure and Function of Epithelial and Connective Tissues

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