Bone Repair and Ossification Process
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Questions and Answers

Which process involves the formation of a bone collar around the diaphysis?

  • Endochondral ossification (correct)
  • Intramembranous ossification
  • Spongy bone formation
  • Calcification process
  • What is the primary event in Stage 2 of intramembranous ossification?

  • Formation of trabeculae
  • Calcification (correct)
  • Development of periosteum
  • Ossification center formation
  • Which zone of the epiphyseal plate is responsible for longitudinal bone growth?

  • Calcification zone
  • Proliferative zone (correct)
  • Hypertrophic zone
  • Reserve zone
  • What do osteoclasts do during the process of spongy bone formation?

    <p>Erode calcified cartilage matrix</p> Signup and view all the answers

    At what age does the epiphyseal line calcify and growth ceases in females?

    <p>Age 18</p> Signup and view all the answers

    What happens to the epiphyseal line in males at approximately age 21?

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

    Which type of fracture involves small pieces between larger fragments?

    <p>Comminuted</p> Signup and view all the answers

    What is the common characteristic of a Greenstick fracture?

    <p>Occurs only in children</p> Signup and view all the answers

    Which bone disorder is characterized by bone resorption exceeding deposition?

    <p>Osteoporosis</p> Signup and view all the answers

    Which hormone replacement therapy can be used as a treatment for osteoporosis?

    <p>Estrogen</p> Signup and view all the answers

    In what age group is Ricketts more common?

    <p>Children</p> Signup and view all the answers

    Which factor stimulates bone deposition according to the text?

    <p>Mechanical stress</p> Signup and view all the answers

    What is the function of osteoclasts in the ossification zone?

    <p>Partly erode cartilage</p> Signup and view all the answers

    Which zone involves the process where blood vessels invade and chondrocytes are killed?

    <p>Calcification zone</p> Signup and view all the answers

    What is the function of osteoblasts in bone growth?

    <p>Deposit minerals and collagen</p> Signup and view all the answers

    Which vitamin stimulates osteoblasts in bone growth and remodeling?

    <p>Vitamin A</p> Signup and view all the answers

    What hormone stimulates epiphyseal plate activity?

    <p>Growth hormone</p> Signup and view all the answers

    During bone remodeling, which cells deposit new collagen and minerals?

    <p>Osteoblasts</p> Signup and view all the answers

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