Q: Which equation best describes the relationship between the number of cell layers ($$n) $$and the classification of epithelial tissue?

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

Question 1

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

Accepted Answer

Diffusion of gases due to thin, flat cells

Question 2

A biopsy is performed to diagnose a disease. Which process is most directly involved in preparing the tissue for microscopic examination?

Accepted Answer

Fixation and staining to preserve and highlight cellular structures

Question 3

Which property of epithelial tissue allows it to rapidly repair and replace lost cells?

Accepted Answer

High mitotic rate of stem cells

Question 4

Which of the following equations best represents the limitation of nutrient diffusion in avascular epithelial tissue?

Accepted Answer

$$d \leq 125\ \mathrm{\mu m}$$

Question 5

Which connective tissue type is most likely to be found in tendons and ligaments, and what is its main structural feature?

Accepted Answer

Dense regular connective tissue; parallel bundles of collagen fibers

Question 6

A patient suffers a deep cut that damages both the epidermis and underlying connective tissue. Which cells are primarily responsible for producing scar tissue during healing?

Accepted Answer

Fibroblasts

Question 7

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

Accepted Answer

Contains abundant blood vessels

Question 8

Which type of muscle tissue is striated, voluntary, and multinucleated?

Accepted Answer

Skeletal muscle

Question 9

Which equation best describes the relationship between the number of cell layers ($$n) $$and the classification of epithelial tissue?

Accepted Answer

$$n = 1$$ ightarrow 	ext{Simple epithelium}$

Question 10

Which connective tissue cell type is responsible for breaking down the extracellular matrix during bone remodeling?

Accepted Answer

Osteoclasts

Question 11

A gland that secretes its product directly into the bloodstream is classified as:

Accepted Answer

Endocrine gland

Question 12

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

Accepted Answer

It is avascular and relies on slow diffusion for nutrient delivery

Question 13

Which tissue type is most specialized for conduction of electrical impulses?

Accepted Answer

Nervous tissue

Question 14

Which of the following is a function of transitional epithelium in the urinary bladder?

Accepted Answer

Distensibility (ability to stretch)

Question 15

During inflammation, which chemical released by mast cells increases blood flow and vascular permeability?

Accepted Answer

Histamine

Question 16

Which equation best represents the total weight of connective tissue in an average adult male ($$W_{CT}$$)?

Accepted Answer

$$W_{CT} \approx 7.6\ \mathrm{kg}$$

Question 17

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

Accepted Answer

Secretion of mucus to lubricate and protect surfaces

Question 18

Which of the following is a correct sequence for tissue repair after injury?

Accepted Answer

Inflammation, restoration of blood supply, regeneration/fibrosis

Question 19

Which type of connective tissue is most abundant in the body and serves as a packing material around organs?

Accepted Answer

Areolar connective tissue

Question 20

Which of the following best explains the role of the basement membrane in epithelial tissue?

Accepted Answer

Provides structural support and acts as a selective barrier

Histology: Structure and Function of Tissues

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