Q: Which of the following equations correctly represents the relationship between the components of the extracellular matrix (ECM) in connective tissue?

$$\text{ECM} = \text{Protein fibers} + \text{Ground substance}$$

Question 1

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

Accepted Answer

They create an impermeable barrier to prevent substances from passing between cells.

Question 2

A patient has a genetic defect that prevents the formation of desmosomes. Which tissue property would be most affected?

Accepted Answer

The tissue would lose its ability to resist mechanical stress.

Question 3

Which of the following is a correct sequence of the levels of organization in the human body, from simplest to most complex?

Accepted Answer

Chemical level → Cellular level → Tissue level → Organ level → Organ system level → Organism level

Question 4

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

Accepted Answer

Simple squamous epithelium; alveoli of the lungs

Question 5

A gland that releases its secretions by exocytosis without losing any part of the cell is classified as:

Accepted Answer

Merocrine

Question 6

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

Accepted Answer

It anchors the epithelium to the underlying connective tissue and provides structural support.

Question 7

Which of the following statements about connective tissue is correct?

Accepted Answer

It contains cells, protein fibers, and ground substance, and provides support and protection.

Question 8

A tissue sample from the trachea shows ciliated cells and goblet cells. What is the most likely tissue type?

Accepted Answer

Pseudostratified ciliated columnar epithelium

Question 9

Which of the following equations correctly represents the relationship between the components of the extracellular matrix (ECM) in connective tissue?

Accepted Answer

$$	ext{ECM} = 	ext{Protein fibers} + 	ext{Ground substance}$$

Question 10

Which of the following best explains why stratified squamous epithelium is found in areas subject to abrasion, such as the skin and esophagus?

Accepted Answer

It consists of multiple layers of cells, providing protection against mechanical stress.

Question 11

Which type of multicellular exocrine gland has a branched duct and sac-like secretory portions?

Accepted Answer

Compound acinar

Question 12

A tissue sample shows cells with large lipid inclusions and a peripheral nucleus. What is the most likely tissue type?

Accepted Answer

Adipose tissue

Question 13

Which of the following best describes the process of fibrosis during tissue repair?

Accepted Answer

Formation of scar tissue composed mainly of collagen fibers

Question 14

Which of the following is a function of reticular connective tissue?

Accepted Answer

Forms internal structure of organs such as lymph nodes and spleen

Question 15

Which of the following best describes the secretion mechanism of holocrine glands?

Accepted Answer

Secretory product is released by rupture and disintegration of entire cells

Question 16

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

Accepted Answer

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

Question 17

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

Accepted Answer

Appears to have multiple layers due to varying positions of nuclei, but all cells touch the basement membrane

Question 18

Which of the following best explains why cartilage heals more slowly than other connective tissues?

Accepted Answer

Cartilage is avascular, so nutrients and cells required for repair must diffuse from surrounding tissues.

Question 19

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

Accepted Answer

They secrete mucus to lubricate and protect the epithelial surface.

Histology and Tissue Organization: Foundations of Anatomy & Physiology

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