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5 Written questions

5 Matching questions

  1. simple fracture
  2. osteoclasts
  3. long bones
  4. after the secondary ossification centers have appeared and epiphyses have largely ossified, hyaline cartilage remains at only two places
  5. periosteum membrane sublayers (2)
  1. a longer than they are wide
    - has a shaft and two distinct ends
  2. b superficial layer of dense irregular tissue--resists tension placed on a bone during bending
    - deep layer that abuts the compact bone
  3. c bone breaks cleanly but does not penetrate the skin
  4. d derived from a lineage of white blood cells
    - multinucleated
    - break down bone by secreting hydrochloric acid, which dissolves the mineral component of the matrix, and lysosomal enzymes, which digest the organic components
  5. e (1) on the epiphyseal surfaces, where it forms the articular cartilages
    (2) between the diaphysis and epiphysis, where it forms the epiphyseal plates

5 Multiple choice questions

  1. every 10 years
  2. long bones
    short bones
    flat bones
    irregular bones
  3. cartilage cells nearest the epiphysis are relatively small and inactive
  4. new bone is formed, strengthening skeletal support
  5. bone ends are coaxed back into position by the physician's hands

5 True/False questions

  1. fact: trabeculae of spongy bone seem to align along stress lines in an organized pattern of tiny struts(blank)


  2. epiphyseal platesbetween the dipahysis and each epiphysis of an adult long bone
    - line is a remnant of the epiphyseal plate, a disc of hyaline cartilage that grows during childhood to lengthen the bone


  3. hyaline cartilagesimilar to hyaline cartilage; matrix contains many elastic fibers along with the delicate collagen fibrils; more elastic than hyaline cartilage & better able to tolerate repeated bending; epiglottis and outer ear


  4. inorganic components of bonemineral salts that invade the bony matrix, making bone tissue hard


  5. blood vesselsbones are well vascularized
    - 3-11% of the blood in the body is in the skeleton


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