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Bone Growth and Remodeling Process
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Bone Growth and Remodeling Process

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Questions and Answers

Which process involves the formation of bone through the deposition of osteoid tissue by osteoblasts on a mesenchymal surface?

  • Trabecular ossification
  • Periosteal ossification
  • Intramembranous ossification (correct)
  • Endochondral ossification
  • What is the characteristic of the bone formed through intramembranous ossification?

  • Production of long bones like femur
  • Presence of a marrow cavity
  • Conversion of spongy bone to compact bone
  • Formation of spongy bone first (correct)
  • During endochondral ossification, what is the main role of the trabeculae?

  • Conversion to fibrous periosteum
  • Formation of the marrow cavity
  • Entrapment of osteocytes
  • Creation of spongy bone (correct)
  • Which type of bone formation process leads to the production of flat bones like the skull and clavicle?

    <p>Intramembranous ossification</p> Signup and view all the answers

    What is the function of osteoblasts in bone development?

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

    Which structure is involved in perpetuating spongy bone formation in the middle layer during intramembranous ossification?

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

    Which structure is responsible for bone elongation in childhood and adolescence?

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

    What type of bone tissue is primarily found in the epiphyses of long bones during infancy and childhood?

    <p>Spongy bone</p> Signup and view all the answers

    Which part of a child's bone has an enlarged primary marrow cavity and a distal secondary marrow cavity appearance?

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

    In which type of bone formation, vascular invasion occurs leading to the formation of primary and secondary marrow cavities?

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

    During adulthood, which structure in bones closes to signal the end of bone growth and elongation?

    <p>Epiphyseal plate</p> Signup and view all the answers

    Which part of the bone contains a single marrow cavity in adult bones?

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

    What is the function of epiphyseal plates in bones?

    <p>Allow for bone growth in length</p> Signup and view all the answers

    Which cells are responsible for laying down new bone matrix in layers parallel to the bone surface?

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

    Abnormal calcification may occur in all of the following locations EXCEPT:

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

    Which enzyme is responsible for digesting collagen during mineral resorption in bones?

    <p>Acid phosphatase</p> Signup and view all the answers

    What is the normal calcium concentration in blood plasma?

    <p>9.2 to 10.4 mg/dL</p> Signup and view all the answers

    Which hormone is primarily responsible for stimulating calcium resorption from bone?

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

    In which bone growth process do bones increase in width throughout life?

    <p>Appositional growth</p> Signup and view all the answers

    'Wolff's law' states that:

    <p>'Bone density determined by mechanical stresses'</p> Signup and view all the answers

    What is the primary function of mineral resorption in bones?

    <p>To release minerals into the blood</p> Signup and view all the answers

    Which component of bone plays a critical role in neuron communication?

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

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