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5 Written questions

5 Matching questions

  1. functions of bone
  2. long bones
  3. elastic cartilage
  4. fact: below the resting zone, the cartilage cells form tallecolumns, like coins in a stack
  5. periosteum
  1. a (blank)
  2. b similar 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
  3. c longer than they are wide
    - has a shaft and two distinct ends
  4. d (1) support
    (2) movement: skeletal muscles attach to the bones by tendons and use the bones as levers to move the body and its parts; support and movement are mutually dependent functions
    (3) protection
    (4) mineral storage: most important are calcium and phosphate
    (5) blood cell formation and energy storage: red marrow makes the blood cells and yellow marrow is a site of fat storage
    (6) energy metabolism: osteoblasts secrete a hormone that influences blood sugar regulation; the hormone (osteocalcin) stimulates pancreatic secretions that reduce blood sugar levels (insulin)
  5. e connective tissue membrane that covers the entire outer surface of each bone except on the ends of the epiphyses, where articular cartilage occurs
    - provides insertion points for the tendons and ligaments that attach to a bone

5 Multiple choice questions

  1. form of bone cancer
    - usually originates in a long bone of the upper or lower limb
  2. bone ends are coaxed back into position by the physician's hands
  3. osteogenic, containing bone-depositing cells (osteoblasts) and bone-destroying cells (osteoclasts)
    - indistinguishable from the fibroblasts within this layer
  4. 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
  5. 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 True/False questions

  1. short bonesroughly cube-shaped
    - occur in the wrist and ankle

          

  2. when we are physically active...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

          

  3. ricketsinternal spongy bone in flat bones

          

  4. osteoporosisbegins in the embryo, proceeds through childhood and adolescence as the skeleton grows, and then occurs at a slower rate in the adult as part of a continual remodeling of the full-grown skeleton

          

  5. endosteumthinner connective tissue membrane that covers internal bone surfaces
    - covers the trabeculae of spongy bone
    - lines the central canals of osteons
    - is osteogenic, containing both osteoblasts and osteoclasts