Bone Growth, Remodelling, and Repair
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Questions and Answers

What is the process that involves the partial resorption of bone tissue formed earlier, while simultaneously laying down new bone at a rate exceeding that of bone removal?

  • Osteogenesis (correct)
  • Bone remodeling
  • Bone plasticity
  • Bone resorption
  • In growing bones, what maintains each bone's general shape while increasing its mass?

  • Bone resorption
  • Bone modeling (correct)
  • Osteoclast activity
  • Osteoblast activity
  • At what rate can bone turnover be in young children compared to adults?

  • 500 times faster
  • 200 times faster (correct)
  • 50 times faster
  • 100 times faster
  • What ensures that bone tissue remains plastic and capable of adapting its internal structure in response to changing stresses?

    <p>Bone plasticity</p> Signup and view all the answers

    Which process involves coordinated cellular activities for both bone resorption and bone formation in adults?

    <p>Bone remodeling</p> Signup and view all the answers

    How do orthodontic appliances affect bone and teeth positions in the jaw?

    <p>Bone forms on the side where traction is applied.</p> Signup and view all the answers

    What is the main reason for cranial bone growth according to the text?

    <p>Formation of bone tissue by the periosteum between the sutures.</p> Signup and view all the answers

    Where are osteoprogenitor stem cells found in bones according to the text?

    <p>In the periosteum, endosteum, and marrow of bones.</p> Signup and view all the answers

    What is crucial for efficiently repairing bone fractures and damage based on the text?

    <p>Using cells, signaling molecules, and processes already active in bone remodeling.</p> Signup and view all the answers

    Why does bone normally have an excellent capacity for repair as mentioned in the text?

    <p>Presence of osteoprogenitor stem cells and good vascularization of bones.</p> Signup and view all the answers

    How are surgically created gaps in bones filled with new bone according to the text?

    <p>Especially when periosteal tissue remains.</p> Signup and view all the answers

    What is the main process by which bone fractures are repaired?

    <p>Fibrocartilage callus formation</p> Signup and view all the answers

    In a person with hydrocephalus, how is the size of the skull affected?

    <p>It increases</p> Signup and view all the answers

    What are the three phases involved in fracture healing?

    <p>Reactive, Reparative, and Remodeling</p> Signup and view all the answers

    How does bone plasticity allow the bone to respond to the growth of the brain?

    <p>By forming a skull of adequate size</p> Signup and view all the answers

    Which phase of fracture healing involves remodeling back to the bone's original contour?

    <p>Remodeling to original bone contour</p> Signup and view all the answers

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