Skeletal System : Bone Formation and Growth
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Questions and Answers

Bone is formed in the body in two ways

  • Irregular bone & Flat bone Endochondral (Cartilage) bone formation & Intramembranous (Intraosseous) bone formation
  • Endochondral (Cartilage) bone formation & Intramembranous (Intraosseous) bone formation (correct)
  • Epiphyseal plate & Intramembranous (Intraosseous) bone formation
  • Endochondral (Cartilage) bone formation & Flat bone

    • Endochondral Bone characteristics ?

  • Majority of bone formation. Most bones start as cartilage in the fetus (like a template). Long bone formation begins in the primary growth centre in epiphysis and radiates outwards. Cartilage is removed gradually as bone is created.
  • Majority of bone formation. Most bones start as cartilage in the fetus (like a template). Long bone formation begins in the primary growth centre in diaphysis and radiates outwards. Cartilage is removed instantly as bone is created.
  • Majority of bone formation. Most bones start as marrow in the fetus (like a template). Long bone formation begins in the primary growth centre in diaphysis and radiates outwards. Cartilage is removed gradually as bone is created.
  • Majority of bone formation. Most bones start as cartilage in the fetus (like a template). Long bone formation begins in the primary growth centre in diaphysis and radiates outwards. Cartilage is removed gradually as bone is created. (correct)

    • Endochondral Bone Full skeletal maturity the epiphyseal plates ossify

    True

    Intramembranous Bone Formation only occurs where?

    <p>Certain skull bones</p> Signup and view all the answers

    Intramembranous Bone Formation Intramembranous Bone Formation occurs with Bone formation in the __________ tissue membranes that cover the brain in the developing fetus. This process creates the flat bones of the___________ , which surround the brain.

    <p>fibrous, cranium</p> Signup and view all the answers

    Which are the best healing tissues in the body?

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

    where does fractures usually occur?

    <p>long bones</p> Signup and view all the answers

    3 factores for optimal healing

    <p>Alignment,Immobilisation,Time</p> Signup and view all the answers

    Alignment is also known as ________ of a fracture (or “fx”)

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

    Fractured ends must be brought further apart in reasonable alignment and kept from moving apart during the healing process

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

    Interrnal and external devices (such as plates, pins and screws implanted during surgery) are used to reduce a fx They may remain in the bone or be removed later

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

    Bone Healing- Immobilisation

    <p>Also called “fixation” of a fracture</p> Signup and view all the answers

    Length of time external fixators are in place depends on________________ – all affect healing time

    <p>species, age, activity level</p> Signup and view all the answers

    What are the types of internal and external fixtures?

    <p>pins, plates, screws, splints, casts</p> Signup and view all the answers

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