Bones and Beyond

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Questions and Answers

Which type of bone formation involves the formation of bone directly from or within mesenchyme?

  • Ossification
  • Osteogenesis
  • Endochondral ossification
  • Intramembranous ossification (correct)

What is the process by which bone is formed called?

  • Mineralization
  • Calcification
  • Osteogenesis (correct)
  • Ossification

When does bone formation begin?

  • During adolescence
  • During adulthood
  • During embryonic development (correct)
  • During old age

What is the function of osteoblasts in bone formation?

<p>Formation of osteoid matrix (C)</p> Signup and view all the answers

What is the process of mineralization in bone formation?

<p>Calcification of osteoid matrix (A)</p> Signup and view all the answers

Which type of bone formation involves the formation of bone from hyaline cartilage models?

<p>Endochondral ossification (B)</p> Signup and view all the answers

When do lacunae, which contain osteocytes and calcified matrix, appear in bone formation?

<p>During adulthood (D)</p> Signup and view all the answers

Which cells differentiate into osteoblasts in bone formation?

<p>Osteoprotenitor cells (D)</p> Signup and view all the answers

What is the process by which the osteoid matrix hardens called?

<p>Calcification (C)</p> Signup and view all the answers

When does intramembranous ossification occur?

<p>During embryonic development (C)</p> Signup and view all the answers

Which process involves the replacement of hyaline cartilage by bone?

<p>Endochondral ossification (B)</p> Signup and view all the answers

What covers the cartilage model during the formation of bone?

<p>Perichondrium (B)</p> Signup and view all the answers

Which type of growth occurs by chondrocyte cell division and matrix formation in the cartilage model?

<p>Interstitial growth (D)</p> Signup and view all the answers

What triggers calcification and chondrocyte death in the mid region of the cartilage model?

<p>Change in pH (A)</p> Signup and view all the answers

What is the only means by which the diaphysis can increase in length?

<p>Activity of the epiphyseal plate (B)</p> Signup and view all the answers

What happens when the epiphyseal plate closes?

<p>It is replaced by bone (C)</p> Signup and view all the answers

Which zone of the growth plate anchors it to the bone?

<p>Zone of resting cartilage (D)</p> Signup and view all the answers

Which zone of the growth plate is characterized by rapid cell division?

<p>Zone of proliferating cartilage (D)</p> Signup and view all the answers

Which zone of the growth plate is characterized by cells that enlarge and remain in columns?

<p>Zone of hypertrophic cartilage (B)</p> Signup and view all the answers

What occurs in the zone of calcified cartilage in the growth plate?

<p>Extracellular matrix calcification and cell death (D)</p> Signup and view all the answers

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