Q: Which of the following equations best represents the relationship between tissue repair rate and age, assuming all other factors are constant?

$$\text{Repair Rate} = \frac{k}{\text{Age}}$$

Q: Which of the following equations best represents the relationship between the rate of diffusion across simple squamous epithelium and the thickness of the tissue?

$$\text{Rate of Diffusion} \propto \frac{1}{\text{Thickness}}$$

Question 1

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

Accepted Answer

They prevent the passage of substances between adjacent cells by sealing the intercellular space.

Question 2

A tissue sample from the lining of the alveoli in the lungs is examined under a microscope. Which type of epithelial tissue is most likely present, and what is its primary function?

Accepted Answer

Simple squamous epithelium; rapid diffusion of gases

Question 3

Which connective tissue fiber type is most responsible for providing tensile strength to tissues such as tendons and ligaments?

Accepted Answer

Collagen fibers

Question 4

A patient presents with an autoimmune disorder affecting connective tissue. Which of the following is most likely to be involved?

Accepted Answer

Lupus

Question 5

Which of the following equations best represents the relationship between tissue repair rate and age, assuming all other factors are constant?

Accepted Answer

$$	ext{Repair Rate} = \frac{k}{	ext{Age}}$$

Question 6

Which type of cell junction is primarily responsible for allowing electrical signals to pass rapidly between cardiac muscle cells?

Accepted Answer

Gap junctions

Question 7

Which of the following best explains why epithelial tissue is avascular but can still repair itself quickly?

Accepted Answer

Epithelial cells rely on diffusion from underlying connective tissue and have a high mitotic rate.

Question 8

Which of the following is a correct pairing of gland type and its method of secretion?

Accepted Answer

Endocrine gland; secretes hormones into interstitial fluid and then into the bloodstream

Question 9

A biopsy reveals tissue with cells embedded in a clear, glassy matrix and surrounded by perichondrium. Which type of connective tissue is this most likely to be?

Accepted Answer

Hyaline cartilage

Question 10

Which of the following best describes the function of desmosomes in epithelial tissue?

Accepted Answer

They anchor cells together by linking intermediate filaments, providing mechanical strength.

Question 11

Which type of epithelial tissue is best suited for areas subject to abrasion, such as the skin and the lining of the mouth?

Accepted Answer

Stratified squamous epithelium

Question 12

Which of the following is a key difference between epithelial and connective tissue?

Accepted Answer

Epithelial tissue consists of tightly packed cells with little extracellular matrix, while connective tissue has fewer cells and more extracellular matrix.

Question 13

Which of the following membrane types lines body cavities that open directly to the exterior and contains both epithelial and connective tissue components?

Accepted Answer

Mucous membrane

Question 14

A patient has a disorder affecting the ability of their muscle cells to generate action potentials. Which property of muscle tissue is most directly impaired?

Accepted Answer

Excitability

Question 15

Which of the following best describes the role of neuroglia in nervous tissue?

Accepted Answer

They protect and support neurons.

Question 16

Which type of muscle tissue is characterized by branched fibers, intercalated discs, and involuntary contraction?

Accepted Answer

Cardiac muscle

Question 17

Which of the following equations best represents the relationship between the rate of diffusion across simple squamous epithelium and the thickness of the tissue?

Accepted Answer

$$	ext{Rate of Diffusion} \propto \frac{1}{	ext{Thickness}}$$

Question 18

Which of the following best explains why cartilage heals more slowly than bone after injury?

Accepted Answer

Cartilage is avascular, limiting nutrient supply and cell migration for repair.

Question 19

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

Accepted Answer

Stretching to accommodate fluctuating volumes of urine

Chapter 4: The Tissue Level of Organization – Principles of Anatomy and Physiology

Guida di studio - Domande di pratica

Study guide - Flashcard