Question 1

Which type of cartilage is most abundant in the human skeleton and provides support, flexibility, and resilience?

Accepted Answer

Hyaline cartilage

Question 2

A patient presents with a fracture in which the bone is broken into two pieces and protrudes through the skin. What type of fracture is this?

Accepted Answer

Compound fracture

Question 3

Which of the following best describes the function of osteoclasts?

Accepted Answer

Giant, multinucleate cells that resorb bone matrix

Question 4

During endochondral ossification, what is the first major event that occurs?

Accepted Answer

Formation of a bone collar around the diaphysis of the hyaline cartilage model

Question 5

Which hormone is primarily responsible for stimulating epiphyseal plate activity in children?

Accepted Answer

Growth hormone

Question 6

What is the main inorganic component of bone matrix that provides hardness and resistance to compression?

Accepted Answer

Hydroxyapatite (calcium phosphate crystals)

Question 7

Which of the following bones is formed by intramembranous ossification?

Accepted Answer

Parietal bone of the skull

Question 8

A 70-year-old woman presents with a hip fracture. Her bone density is significantly reduced, but the bone matrix appears normal. What is the most likely diagnosis?

Accepted Answer

Osteoporosis

Question 9

Which of the following best describes the process of hematopoiesis?

Accepted Answer

Formation of blood cells in red bone marrow

Question 10

Which of the following is a function of the periosteum?

Accepted Answer

Provides anchoring points for tendons and ligaments

Question 11

Which of the following best describes appositional growth of bone?

Accepted Answer

Growth in width by addition of new bone matrix on the surface

Question 12

A child with bowed legs and enlarged bone ends is most likely suffering from which condition?

Accepted Answer

Rickets

Question 13

Which of the following bone markings is a depression that serves as a passageway for blood vessels and nerves?

Accepted Answer

Foramen

Question 14

Which of the following best describes the role of parathyroid hormone (PTH) in calcium homeostasis?

Accepted Answer

Stimulates osteoclast activity to increase blood calcium

Question 15

Which of the following is NOT a function of bone?

Accepted Answer

Production of digestive enzymes

Question 16

Which of the following best describes the structure of an osteon?

Accepted Answer

A cylindrical unit containing concentric lamellae surrounding a central canal

Question 17

Which of the following is a correct sequence of events in fracture repair?

Accepted Answer

Hematoma formation, fibrocartilaginous callus formation, bony callus formation, bone remodeling

Question 18

Which of the following best explains why weight-bearing exercise is recommended for osteoporosis prevention?

Accepted Answer

It stimulates osteoblast activity, increasing bone mass

Question 19

Which of the following is a distinguishing feature of spongy bone compared to compact bone?

Accepted Answer

Contains trabeculae aligned along lines of stress

Question 20

A patient with a vitamin D deficiency is most likely to develop which of the following bone disorders?

Accepted Answer

Osteomalacia

Bones and Skeletal Tissue: Structure, Function, and Development

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