Bone Part 1: Definition and Composition

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Questions and Answers

What is the main component of the inorganic materials in bone matrix?

  • Osteogenic cells
  • Type I collagen fibers
  • Calcium in the form of hydroxyapatite (correct)
  • Osteocytes

What is the primary function of osteoclasts in bone?

  • Type I collagen synthesis
  • Bone formation
  • Bone maintenance
  • Bone resorption (correct)

What would happen if the organic bone matrix is removed?

  • Bone will have an egg-shell consistency (correct)
  • Bone flexibility will increase
  • Bone density will decrease
  • Bone will become more rigid

Where are osteogenic cells primarily located?

<p>Free surfaces of bones near periosteum and endosteum (B)</p> Signup and view all the answers

What is the key feature of osteogenic cells?

<p>Scanty, faintly basophilic cytoplasm (B)</p> Signup and view all the answers

Which cells can proliferate and differentiate into osteoblasts?

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

What is the primary function of osteoblasts?

<p>Secrete type I collagen (C)</p> Signup and view all the answers

What characteristic feature is seen in osteocytes?

<p>Extend cytoplasmic processes through canaliculi (D)</p> Signup and view all the answers

Which enzyme is responsible for liberating phosphate ions important for bone matrix calcification?

<p>Alkaline phosphatase (A)</p> Signup and view all the answers

From which cells are osteoclasts derived?

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

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Bone Part 1 PDF

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