9+

Play an AI-generated podcast conversation about this lesson

What is the process of laying down new bone material by osteoblasts called?

Osteogenesis (correct)

Trabeculation

Endochondral ossification

Intramembranous ossification

Which type of bone tissue is characterized by a haphazard organization of collagen fibers and trabeculae?

Spongy bone (correct)

Lamellar bone

Medullary bone

Compact bone

Which part of a long bone is its bulbous end?

Epiphysis (correct)

Diaphysis

Metaphysis

Cancellous bone

Which type of ossification involves cartilage as a precursor?

Endochondral ossification Signup and view all the answers

What is the primary factor in the bone matrix that makes up 75% of its composition?

Bone mineral Signup and view all the answers

Where does intramembranous ossification primarily occur?

Skull, mandible, and clavicles Signup and view all the answers

What is woven bone also known as?

Fibrous bone Signup and view all the answers

"Trabecular bone" is a term used interchangeably with which other type of bone tissue?

"Cancellous bone" Signup and view all the answers

What is the direct laying down of bone into primitive connective tissue known as?

Osteogenesis Signup and view all the answers

What is the initial bone tissue formed during fracture healing?

Woven bone Signup and view all the answers

Which of the following is a characteristic of woven bone?

Randomly oriented collagen fibers Signup and view all the answers

Which bone disease is associated with the formation of woven bone?

Paget's disease Signup and view all the answers

What is the primary cause of decalcification of bones?

Loss of calcium from bones Signup and view all the answers

Which disorder is characterized by softening of bones due to inadequate calcium or phosphorus?

Rickets/Osteomalacia Signup and view all the answers

What is the primary cause of rickets in children?

All of the above Signup and view all the answers

Which bone tissue is more severely affected in osteoporosis?

Trabecular bone Signup and view all the answers

What is the primary cause of primary osteoporosis?

Estrogen deficiency in postmenopausal women Signup and view all the answers

Which of the following is a common symptom of osteoporosis?

All of the above Signup and view all the answers

What is the primary function of vitamin D in bone health?

Promoting calcium absorption Signup and view all the answers

What is the main function of primary bone?

To provide temporary structural support before secondary lamellar bone formation Signup and view all the answers

Which of the following is the predominant fiber type in osteoid?

Collagen type I Signup and view all the answers

What is the main difference between woven bone and lamellar bone?

Woven bone has an irregular collagen arrangement, while lamellar bone has a regular arrangement Signup and view all the answers

Which bones are formed through intramembranous ossification?

Flat bones of the skull, mandible, clavicle, and hip bone Signup and view all the answers

What is the initial step in endochondral ossification?

Formation of a hyaline cartilage precursor Signup and view all the answers

What is the function of the epiphyseal plate (growth plate)?

To facilitate bone elongation Signup and view all the answers

What is the first step in the healing process of a bone fracture?

Formation of a hematoma (blood clot) Signup and view all the answers

What is the difference between a closed and an open bone fracture?

A closed fracture does not involve a break in the skin, while an open fracture does Signup and view all the answers

What is the final step in the healing process of a bone fracture?

Remodeling of the bone to restore its normal contour and architecture Signup and view all the answers

What is the main component of the ground substance in osteoid?

Chondroitin sulfate Signup and view all the answers

9+

Choose a study mode

Podcast

Questions and Answers