Q: Which equation best represents the proportion of inorganic material in bone by mass?

$$\text{Inorganic material} = 0.65 \times \text{Total bone mass}$$

Q: Which equation best describes the relationship between bone mass and the organic matrix, given that osteoid makes up one-third of the matrix?

$$\text{Organic matrix} = \frac{1}{3} \times \text{Total bone matrix}$$

Question 1

Which type of cartilage is most effective at absorbing compressive shock due to its high content of collagen fibers?

Accepted Answer

Fibrocartilage

Question 2

A patient suffers a fracture in the shaft of their femur. Which part of the bone is affected, and what type of bone tissue predominates in this region?

Accepted Answer

Diaphysis; compact bone

Question 3

Which bone marking is defined as a canal-like passageway and is commonly found in the temporal bone?

Accepted Answer

Meatus

Question 4

During bone growth, which process involves chondrocytes dividing and secreting new matrix, expanding cartilage from within?

Accepted Answer

Interstitial growth

Question 5

Which of the following is NOT a function of bones?

Accepted Answer

Production of digestive enzymes

Question 6

A bone is described as thin, flat, and slightly curved. Which classification does it belong to, and which example fits this description?

Accepted Answer

Flat bone; sternum

Question 7

Which bone cell is responsible for breaking down bone matrix, and what is the process called?

Accepted Answer

Osteoclast; resorption

Question 8

In the microscopic anatomy of compact bone, what is the function of canaliculi?

Accepted Answer

Connect lacunae to each other and the central canal

Question 9

Which equation best represents the proportion of inorganic material in bone by mass?

Accepted Answer

$$	ext{Inorganic material} = 0.65 	imes 	ext{Total bone mass}$$

Question 10

A child’s bone marrow is sampled and found to be rich in hematopoietic tissue. Where is this tissue most likely located?

Accepted Answer

Medullary cavities and all spaces in spongy bone

Question 11

Which bone marking is a raised area above a condyle and serves as a site for muscle attachment?

Accepted Answer

Epicondyle

Question 12

A patient with osteoporosis has weakened bones due to loss of mineral salts. Which component is primarily responsible for bone hardness and resistance to compression?

Accepted Answer

Hydroxyapatites (calcium phosphate crystals)

Question 13

Which membrane covers the internal surfaces of bone and contains osteogenic cells?

Accepted Answer

Endosteum

Question 14

A bone is found to have a honeycomb structure with open spaces filled with marrow. What type of bone is this, and what is the structural unit called?

Accepted Answer

Spongy bone; trabeculae

Question 15

Which bone cell is a stem cell found in the periosteum and endosteum, and what is its primary function?

Accepted Answer

Osteogenic cell; gives rise to osteoblasts and bone-lining cells

Question 16

A patient has a bone injury where the periosteum is torn. Which fibers secure the periosteum to the underlying bone?

Accepted Answer

Sharpey’s fibers

Question 17

Which bone marking is a shallow, basinlike depression and often serves as a site for muscle attachment?

Accepted Answer

Fossa

Question 18

If a bone is subjected to a sudden impact, which component of the organic matrix helps dissipate energy and prevent fracture?

Accepted Answer

Sacrificial bonds in collagen fibers

Question 19

Which equation best describes the relationship between bone mass and the organic matrix, given that osteoid makes up one-third of the matrix?

Accepted Answer

$$	ext{Organic matrix} = \frac{1}{3} 	imes 	ext{Total bone matrix}$$

Question 20

Which bone marking is a smooth, nearly flat articular surface and is commonly found in vertebrae?

Accepted Answer

Facet

Bones and Skeletal Tissues: Structure, Function, and Composition

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