Q: Which of the following equations correctly represents the relationship between the number of cell layers ($$n) $$and the classification of epithelium?

$$n = 1$$ \implies \text{Simple epithelium}$

Question 1

Which of the following is NOT a distinguishing characteristic of epithelial tissue?

Accepted Answer

Contains abundant extracellular matrix

Question 2

A patient suffers a severe burn that destroys the epidermis. Which property of epithelial tissue is most critical for the skin to heal over time?

Accepted Answer

Regeneration

Question 3

Which type of epithelial tissue is best suited for rapid diffusion and filtration, and where is it commonly found?

Accepted Answer

Simple squamous epithelium; air sacs of lungs

Question 4

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

Accepted Answer

Merocrine

Question 5

Which of the following best describes the function of connective tissue?

Accepted Answer

Supports, protects, and binds other tissues

Question 6

A biopsy reveals a tissue with a single layer of tall, rectangular cells. Which type of epithelium is this, and what is its primary function?

Accepted Answer

Simple columnar; absorption and secretion

Question 7

Which of the following equations correctly represents the relationship between the number of cell layers ($$n) $$and the classification of epithelium?

Accepted Answer

$$n = 1$$ \implies 	ext{Simple epithelium}$

Question 8

A patient with chronic bronchitis has excessive mucus production in the airways. Which unicellular gland is primarily responsible for this secretion?

Accepted Answer

Goblet cell

Question 9

Which connective tissue type is most likely to be found providing flexible support in the external ear?

Accepted Answer

Elastic cartilage

Question 10

A histology slide shows a tissue with many parallel collagen fibers and few cells. This tissue is most likely:

Accepted Answer

Dense regular connective tissue

Question 11

Which of the following best explains why epithelial tissue is avascular but still able to receive nutrients?

Accepted Answer

Nutrients diffuse from underlying connective tissue

Question 12

A tumor develops from a mutation in an epithelial cell. According to the study materials, what percentage of cancers arise from epithelial cells?

Accepted Answer

80%

Question 13

Which of the following is a function of simple cuboidal epithelium?

Accepted Answer

Absorption and secretion

Question 14

A tissue sample from the urinary bladder shows cells that change shape when stretched. This tissue is most likely:

Accepted Answer

Transitional epithelium

Question 15

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

Accepted Answer

Endocrine glands secrete hormones into the blood; exocrine glands secrete products onto body surfaces or into cavities

Question 16

Which of the following equations best represents the relationship between the rate of diffusion ($$D) $$and the thickness of the epithelial barrier ($$T) in $$simple squamous epithelium?

Accepted Answer

$$D \propto \frac{1}{T}$$

Question 17

A patient with a torn tendon is slow to heal. Which property of dense regular connective tissue explains this slow healing?

Accepted Answer

Poor blood supply

Question 18

Which of the following is a real-life example of a holocrine gland?

Accepted Answer

Sebaceous (oil) gland of the skin

Question 19

A tissue sample contains cells embedded in a hard, calcified matrix with collagen fibers. Which tissue is this?

Accepted Answer

Bone

Question 20

Which connective tissue type is specialized for storing energy and insulating the body?

Accepted Answer

Adipose tissue

Chapter 4: Tissue—The Living Fabric (Anatomy & Physiology Study Notes)

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