Q: Which formula correctly calculates the percentage of skin weight in a person, given total body weight and skin weight?

$$\text{Percentage} = \frac{\text{Skin weight}}{\text{Total body weight}} \times 100$$

Question 1

Which of the following tissues is primarily responsible for transmitting electrical impulses throughout the body?

Accepted Answer

Nervous tissue

Question 2

A patient suffers a deep wound that damages the skin and underlying connective tissue. Which embryonic germ layer is primarily responsible for regenerating the connective tissue?

Accepted Answer

Mesoderm

Question 3

Which characteristic is NOT typical of epithelial tissue?

Accepted Answer

Cells loosely packed with large extracellular matrix

Question 4

A biopsy reveals a tissue with cells tightly packed together, forming boundaries and lining hollow organs. Which tissue type is most likely observed?

Accepted Answer

Epithelial tissue

Question 5

Which type of cell junction prevents substances from passing between epithelial cells, maintaining distinct apical and basal compartments?

Accepted Answer

Tight junctions

Question 6

Which connective tissue fiber type provides the greatest tensile strength, making it essential in tendons and ligaments?

Accepted Answer

Collagen fibers

Question 7

A patient with a genetic defect in elastin production would most likely have problems with which tissue property?

Accepted Answer

Ability to stretch and recoil

Question 8

Which type of gland releases its secretions directly into the bloodstream and regulates processes such as metabolism and growth?

Accepted Answer

Endocrine gland

Question 9

Which of the following best describes the function of mast cells in connective tissue?

Accepted Answer

Release histamine and heparin during inflammation

Question 10

A tissue sample from the trachea shows cells with cilia and goblet cells arranged in a single layer with nuclei at different heights. What is the most likely tissue type?

Accepted Answer

Pseudostratified columnar epithelium

Question 11

Which formula correctly calculates the percentage of skin weight in a person, given total body weight and skin weight?

Accepted Answer

$$	ext{Percentage} = \frac{	ext{Skin weight}}{	ext{Total body weight}} 	imes 100$$

Question 12

Which connective tissue type is most specialized for energy storage, insulation, and cushioning of organs?

Accepted Answer

Adipose tissue

Question 13

A patient presents with a wound that is slow to heal and prone to infection. Which process is most likely impaired?

Accepted Answer

Coagulation

Question 14

Which of the following is TRUE regarding the basement membrane in epithelial tissue?

Accepted Answer

It separates epithelial cells from underlying connective tissue and reinforces the epithelial sheet.

Question 15

Which tissue type is derived from all three embryonic germ layers?

Accepted Answer

Epithelial tissue

Question 16

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

Accepted Answer

Cartilage is avascular, limiting nutrient supply and cell migration.

Question 17

Which cell type is responsible for producing the extracellular matrix in bone tissue?

Accepted Answer

Osteoblasts

Question 18

A patient with a deficiency in reticular fibers would most likely have problems with which organ system?

Accepted Answer

Lymphatic system

Question 19

Which of the following is a multi-step process that occurs during tissue repair after injury?

Accepted Answer

Inflammation, coagulation, fibroblast activity, angiogenesis, and wound contraction

Question 20

Which of the following changes is most likely to occur in tissues as a result of aging?

Accepted Answer

Decreased tissue mass and increased rigidity of blood vessels

Tissues: Structure, Function, and Development in Human Anatomy & Physiology

Guida di studio - Domande di pratica

Study guide - Flashcard