Question 1

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

Accepted Answer

Absorption and diffusion of gases

Question 2

A patient suffers a severe burn that destroys the epidermis and underlying connective tissue. Which tissue membrane is primarily affected, and what is its main function?

Accepted Answer

Cutaneous membrane; provides protection and prevents dehydration

Question 3

Which of the following cell junctions allows for the direct passage of ions and small molecules between adjacent epithelial cells?

Accepted Answer

Gap junctions

Question 4

A biopsy of a gland reveals cells that release their secretions by exocytosis without losing any cytoplasm. Which type of secretion is this?

Accepted Answer

Merocrine secretion

Question 5

Which connective tissue fiber type is most responsible for the strength and resistance to stretching in tendons?

Accepted Answer

Collagen fibers

Question 6

A patient with a genetic defect in the production of chondroitin sulfates would most likely have problems with which tissue?

Accepted Answer

Cartilage

Question 7

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

Accepted Answer

Cartilage is avascular and relies on diffusion for nutrient delivery

Question 8

Which type of muscle tissue is characterized by striations, voluntary control, and multinucleated cells?

Accepted Answer

Skeletal muscle

Question 9

A patient presents with swelling and redness after an injury. Which process is primarily responsible for these symptoms, and which cell type initiates it?

Accepted Answer

Inflammation; mast cells

Question 10

Which of the following best describes the role of the lamina propria in mucous membranes?

Accepted Answer

It is a layer of areolar connective tissue that supports the epithelium

Question 11

Which of the following is a correct pairing of connective tissue type and its primary function?

Accepted Answer

Reticular tissue – forms a supporting framework for lymphoid organs

Question 12

Which of the following best explains why damaged cardiac muscle is replaced by fibrous tissue rather than regenerating?

Accepted Answer

Cardiac muscle cells have limited ability to divide and regenerate

Question 13

Which of the following statements about aging and tissues is correct?

Accepted Answer

Aging decreases tissue thickness and increases fragility

Question 14

A patient is diagnosed with a tumor in the lining of the respiratory tract that contains ciliated, single-layered cells appearing stratified. Which type of epithelium is most likely affected?

Accepted Answer

Pseudostratified columnar epithelium

Question 15

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

Accepted Answer

Endocrine glands release hormones into the bloodstream; exocrine glands secrete onto surfaces through ducts

Question 16

Which of the following is a function of the ground substance in connective tissue proper?

Accepted Answer

Fills spaces between cells and slows pathogen movement

Question 17

A patient with a deficiency in elastic fibers would most likely experience problems in which of the following structures?

Accepted Answer

Ligaments of the spinal vertebrae

Question 18

Which of the following best describes the function of osteocytes in bone tissue?

Accepted Answer

Maintain the bone matrix and reside in lacunae

Question 19

Which of the following best explains why the cutaneous membrane is considered relatively waterproof?

Accepted Answer

It contains keratinized stratified squamous epithelium

Question 20

Which of the following is a correct sequence of events during tissue response to injury?

Accepted Answer

Inflammation → Necrosis → Regeneration

The Tissue Level of Organization: Structure, Function, and Classification

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