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5 Written questions

5 Matching questions

  1. types of bone (6)
  2. appositional growth
  3. stages of ossification
  4. osteoblast
  5. osteoblasts & osteoclast & calcium
  1. a 1. during bone formation osteoblasts remove calcium from blood, lowering its circulating levels
    2. when osteoclasts are active and breakdown of bone predominates, calcium is released into blood & circulating levels will increase.
  2. b bone forming cell
    Builds matrix
  3. c growth in diameter
  4. d 1. Cancellous (Spongy) Bone - inside bone
    2. Compact Bone - outside
    3. Long Bones - femur, tibia & humerous
    4. Short Bones - carpals, tarsals
    5. Flat Bones - skull, sternum
    6. Irregular Bones - pelvis
  5. e cartilage gets blood flow from surface.
    ossified the ends - so you can walk
    ossified at shaft & cartilage is in between.

    (see slide #16)

5 Multiple choice questions

  1. mainly blood vessels. connect central canals (ex. if one central canal gets clogged then get from here)
  2. bone cell (mature bone cells)

    Maintains matrix
  3. specialized repair tissue that binds the broken ends of the fracture together.
  4. bone tissue can repair itself due to blood supply

    1. AKA Haversian systems
    2. Permit delivery of nutrients and removal of waste products
    3. Components
    a. Lamella - layers, rings, aka matrix
    b. Lacunae - dimples (osteon sits in lacunae)
    c. Canaliculi - like like little cracks, actually canals
    d. Central or Haversian canal - blood vessels, lymphatic vessels
    e. Volkmann's or Perforating canals - mainly blood vessels. connects central canals (ex. if one central canal gets clogged then get from here)
  5. around

5 True/False questions

  1. lamellainside

          

  2. Development of bone (3)1. Cancellous (Spongy) Bone - inside bone
    2. Compact Bone - outside
    3. Long Bones - femur, tibia & humerous
    4. Short Bones - carpals, tarsals
    5. Flat Bones - skull, sternum
    6. Irregular Bones - pelvis

          

  3. endochondral ossification 1/21. Secondary ossification centers and marrow cavities form in ends of bone
    2. Cartilage remains as articular cartilage and epiphyseal (growth) plates
    a. Growth plates provide for increase in length of bone during childhood and adolescence
    b. Disappear when growth stops

          

  4. bone tissue1. Osteoblasts - not trapped by matrix (under endosteum or periosteum
    2. Osteocytes - trapped by matrix
    3. Osteoclasts - break down
    a. Multinucleated
    breaks down matrix thru lysosome (which breaks down enzymes)

    If you break bone you can rebuild matrix

          

  5. parts of long bone (7)1. Cancellous (Spongy) Bone - inside bone
    2. Compact Bone - outside
    3. Long Bones - femur, tibia & humerous
    4. Short Bones - carpals, tarsals
    5. Flat Bones - skull, sternum
    6. Irregular Bones - pelvis