Introduction to Orthopaedics & Fractures - BM5 NLM1

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1. What is a closed fracture?

  • The bone breaks but there is no puncture or open wound in the skin
  • The bone breaks and is in communication with the environment through the skin
  • The bone snaps into two or more parts and moves so that the two ends are not lined up
  • The bone cracks either part or all of the way through, but does move and maintains its proper alignment
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2. What is a greenstick fracture?

  • An incomplete fracture in which the bone is bent that most often occurs in children
  • A fracture at a right angle to the bone's axis
  • A fracture in which the bone fragments into several pieces
  • A fracture in which the two ends are driven into each other

3. What is an impacted fracture?

  • A fracture in which the two ends are driven into each other
  • A fracture in which the break has a curved or sloped pattern
  • A fracture at a right angle to the bone's axis
  • A fracture in which the bone fragments into several pieces

4. What is a non-displaced fracture?

  • The bone cracks either part or all of the way through, but does move and maintains its proper alignment
  • The bone snaps into two or more parts and moves so that the two ends are not lined up
  • The bone breaks but there is no puncture or open wound in the skin
  • The bone breaks and is in communication with the environment through the skin

5. What is biomechanics?

  • The effects of internal and external forces on living biological systems
  • The mechanisms by which drugs act on biological systems
  • The effects of damage-causing forces to biological systems
  • The mechanisms by which forces damage biological systems

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