Question 1

Which of the following best describes the primary function of nervous tissue at the tissue level of organization?

Accepted Answer

It communicates using action potentials.

Question 2

A patient has a genetic defect that prevents the formation of desmosomes. Which of the following symptoms would most likely be observed?

Accepted Answer

Fragile tissues that tear easily under mechanical stress.

Question 3

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

Accepted Answer

Simple squamous epithelium; lining of blood vessels

Question 4

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

Accepted Answer

Merocrine

Question 5

Which of the following best explains why epithelial tissues heal more rapidly than muscle or nervous tissues?

Accepted Answer

Epithelial tissues have a high mitotic rate, allowing for rapid cell replacement.

Question 6

Which of the following cell junctions allows for the direct passage of ions and small molecules between adjacent cells, facilitating rapid communication?

Accepted Answer

Gap junctions

Question 7

A biopsy of a gland reveals that it lacks ducts and releases its products directly into the bloodstream. Which type of gland is this?

Accepted Answer

Endocrine gland

Question 8

Which connective tissue fiber type provides the greatest tensile strength, and in which tissue is it most abundant?

Accepted Answer

Collagen fibers; dense regular connective tissue

Question 9

A patient presents with a torn tendon. Which type of connective tissue has been damaged, and what is its primary structural characteristic?

Accepted Answer

Dense regular connective tissue; parallel collagen fibers

Question 10

Which of the following best describes the difference between non-keratinized and keratinized stratified squamous epithelium?

Accepted Answer

Keratinized has a layer of dead cells filled with keratin at the surface, providing extra protection.

Question 11

Which of the following equations best represents the relationship between tissue repair rate ($$R$$), mitotic activity ($$M$$), and vascular supply ($$V$$), assuming both factors are directly proportional to repair rate?

Accepted Answer

$$R = M 	imes V$$

Question 12

A histological slide shows a tissue with cells embedded in lacunae within a solid matrix containing calcium and phosphate. Which tissue is this, and what is its primary function?

Accepted Answer

Bone; provides structural support and mineral storage

Question 13

Which of the following best explains why cardiac muscle cells can contract in a coordinated manner?

Accepted Answer

They are connected by intercalated discs containing gap junctions.

Question 14

A tissue sample from the urinary bladder shows multiple layers of cells with the ability to stretch and change shape. What type of epithelium is this?

Accepted Answer

Transitional epithelium

Question 15

Which of the following best describes the main difference between areolar and adipose connective tissue?

Accepted Answer

Areolar tissue has a balanced mix of fibers and ground substance, while adipose tissue is dominated by fat-storing cells.

Question 16

Which of the following best explains why simple columnar epithelium is well-suited for absorption in the digestive tract?

Accepted Answer

Its tall cells increase surface area for absorption.

Question 17

A patient with a genetic disorder affecting collagen synthesis would most likely have problems with which tissue type?

Accepted Answer

Connective tissue

Question 18

Which of the following best describes the function of reticular connective tissue in the spleen and lymph nodes?

Accepted Answer

It forms a supportive mesh that filters blood and lymph.

Question 19

Which membrane type lines body cavities that open to the exterior, and what is its main function?

Accepted Answer

Mucous membrane; protects and lubricates surfaces

Question 20

A researcher is studying a tissue that contains contractile proteins arranged in a regular pattern, resulting in striations. The tissue is under voluntary control. Which type of muscle tissue is this?

Accepted Answer

Skeletal muscle

Tissue Level of Organization: Structure and Function in Human Anatomy

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