Clinical Test 3

13 Questions | Total Attempts: 46

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Clinic Quizzes & Trivia

Review the following and answer the questions below. Pass is 100%. Graham J, Xue Qing-Shan, Neubasuer D, Muir D. A Chondroitinase-treated, Decellularized Nerve Allograft Compares Favourably to the Cellular Isograft in Ran Peripheral Nerve. J Neurodegener and Regen 2:1 (Fall 2009) 19-29


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Questions and Answers
  • 1. 
    What type of model was used in the study?
    • A. 

      Rabbit sciatic model

    • B. 

      Rat sciatic model

    • C. 

      Human model

    • D. 

      Sheep median nerve model

  • 2. 
    What did this study compare?
    • A. 

      Autograft and Allograft

    • B. 

      Isograft and Conduit

    • C. 

      Isograft, Conduit and Allograft

    • D. 

      Isograft and Allograft

  • 3. 
    What is the difference between an isograft and autograft?
    • A. 

      An isograft is tissue obtained from a donor of a different species as the recipient and an autograft is tissue that is taken from one part of the body and transplanted to a different part of the same individual.

    • B. 

      An isograft is tissue obtained from a donor genetically identical to the recipient and an autograft is tissue that is taken from one part of the body and transplanted to a different part of the same individual.

    • C. 

      An isograft is tissue that is taken from one part of the body and transplanted to a different part of the same individual and an autograft is tissue obtained from a donor of a different species as the recipient.

    • D. 

      Nothing, both terms can be used interchangeably.

  • 4. 
    What was the graft length used in the study?
    • A. 

      10mm

    • B. 

      5mm

    • C. 

      15mm

    • D. 

      7mm

  • 5. 
    What was the final study time point for functional testing post implantation?
    • A. 

      22 weeks

    • B. 

      2 weeks

    • C. 

      24 weeks

    • D. 

      26 weeks

  • 6. 
    What type of functional testing was performed in this study?
    • A. 

      Sensory only

    • B. 

      Motor only

    • C. 

      Sensory and motor

    • D. 

      Sensory, motor, and histology

  • 7. 
    This test scores the response to pressure/pain sensation:
    • A. 

      Thermal pain foot lick reflex

    • B. 

      Foot spread reflex

    • C. 

      Toe pinch reflex

    • D. 

      Grip reflex

  • 8. 
    This test scores the response to heat pain:
    • A. 

      Thermal pain foot lick reflex

    • B. 

      Foot spread reflex

    • C. 

      Toe pinch reflex

    • D. 

      Grip reflex

  • 9. 
    This test measures motor function via the autonomic motor-driven reflex:
    • A. 

      Thermal pain foot lick reflex

    • B. 

      Foot spread reflex

    • C. 

      Toe pinch reflex

    • D. 

      Grip reflex

  • 10. 
    This test measures the strength regained from reinnervation of the tibial and peroneal muscles:
    • A. 

      Thermal pain foot lick reflex

    • B. 

      Foot spread reflex

    • C. 

      Toe pinch reflex

    • D. 

      Grip reflex

  • 11. 
    What were the axon count results for the recipient nerves distal to the graft in the study?
    • A. 

      Allograft and isograft groups were similar (not statistically different).

    • B. 

      Allograft was better than the conduit group.

    • C. 

      Allograft was similar or better than the isograft group.

    • D. 

      Allograft was better than the isograft group (statistically different).

  • 12. 
    What were the overall results of the behavioral functional testing at this graft length?
    • A. 

      Allograft was slightly worse than isograft but better than the direct repair group.

    • B. 

      Allograft was better than the isograft group.

    • C. 

      Allograft was comparable to the isograft group.

    • D. 

      Allograft was better than the conduit group.

  • 13. 
    What does DCI stand for?
    • A. 

      Devascularized Cleansed Isograft

    • B. 

      Deister, Connelly, Ingari

    • C. 

      Donor Cadeveric Implant

    • D. 

      Decellularized Chondrointinaise Irradiated