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5 Written questions

5 Matching questions

  1. stages of ossification
  2. osteoporosis
  3. parts of long bone (7)
  4. osteon
  5. central canals contain
  1. a no calcium. deterioration of vertebral support.

    1. Bones lose mass and become increasingly brittle and subject to fractures
    2. More prevalent in women - postmenopausal
    3. Men develop later in life - senile

    genetics, diet & exercise
  2. b blood vessels, lymphatic vessels & nerves
  3. c cylinder shaped structural unit in compact bone
  4. d cartilage gets blood flow from surface.
    ossified the ends - so you can walk
    ossified at shaft & cartilage is in between.

    (see slide #16)
  5. e 1. Diaphysis - shaft
    2. Epiphysis - bulby ends, where muscles attach
    3. Epiphyseal plate or disk - cartilage, plate=still growing, line=stopped growing (white line)
    4. Medullary or marrow cavity - hollow, living bone has marrow
    5. Periosteum - around the bone
    6. Endosteum - lines the cavity, inside
    7. Articular cartilage - covers head & bottom

5 Multiple choice questions

  1. bone marrow
  2. high blood calcium levels results in stimulation of osteoblasts and inhibit osteoclasts
  3. growth in length
  4. around
  5. air pocket in the bone

5 True/False questions

  1. Bone growth & remodeling (7)1. Myeloid (myelo=bone marrow) tissue
    2. In medullary cavity (long bone) and among trabeculae (spongy bone)
    3. Site for the production of blood cells
    a. Red marrow
    i. In vertebrae, ribs, sternum, pelvic girdle and proximal heads of femur and humerus in ADULTS
    b. Yellow marrow
    i. Fatty marrow of long bones in adults

    Note: kids have RBC in marrow in long bones b/c still growing

          

  2. central or Haversian canalblood vessels, lymphatic vessels & nerves

          

  3. spinal disorder (lordosis)exaggerated lumbar curve

          

  4. appositional growthgrowth in diameter

          

  5. repair of fractures 2/21. Fracture tears and destroys blood vessels that carry nutrients to osteocytes
    2. Vascular damage initiates repair sequence
    3. Callus - specialized repair tissue that binds the broken ends of the fracture together
    4. Rapidly growing callus tissue effectively collars broken ends and stabilizes fracture so healing can proceed.

          

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