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5 Written questions

5 Matching questions

  1. epiphyseal line
  2. osteon (Haversian system)
  3. interstitial lamellae
  4. bone resorption
  5. when we are physically active...
  1. a new bone is formed, strengthening skeletal support
  2. b incomplete lamellae that lie between the osteons
    - remains of old osteons that have been cut through by bone remodeling
    - extends around the entire circumference of the diaphysis
  3. c long, cylindrical structures oriented parallel to the long axis of the bone and to the main compression stresses
    - functionally: miniature weight-bearing pillars
    - structurally: group of concentric tubes resembling the rings of a tree trunk in cross section
  4. d between 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
  5. e accomplished by osteoclasts

5 Multiple choice questions

  1. special type of short bone that forms within a tendon
    - ex: kneecap/patella
    - vary in size and number
    - some clearly act to alter the direction of pull of a tendon
    - others reduce friction and modify pressure in tendons, thus reducing abrasion or tearing
  2. low bone mass and a deterioration of the microscopic architecture of the bony skeleton
    - become porous and light
    - estrogen deficiency is strongly implicated in osteoporosis
  3. osteogenic, containing bone-depositing cells (osteoblasts) and bone-destroying cells (osteoclasts)
    - indistinguishable from the fibroblasts within this layer
  4. main vessels serving the diaphysis
    - together run through a hole in the wall of the diaphysis, the nutrient foramen
  5. process of bone-tissue formation

5 True/False questions

  1. osteocytesform of bone cancer
    - usually originates in a long bone of the upper or lower limb


  2. fact: without its mineral content, bone bends too easily to support weightbone and cartilage are always distinct tissues


  3. fact: below the resting zone, the cartilage cells form tallecolumns, like coins in a stack(blank)


  4. structure of short bonesroughly cube-shaped
    - occur in the wrist and ankle


  5. long bonestrabecular bone


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