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Wheelchair Positioning: Pressure

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1.  What is ischemia?
  1. Impaired blood supply to tissue
  2. A change in shape of tissue from one condition to another
  3. Premature death of tissue cells
  4. Normal process programmed cell death
2.  What is tissue deformation?
  1. Impaired blood supply to tissue
  2. A change in shape of tissue from one condition to another
  3. Premature death of tissue cells
  4. Normal process programmed cell death
3.  What are the two primary pathways to tissue damage?
  1. Ischemic and Hypoxic
  2. Ischemic and Normoxic
  3. Ischemic and Deformation
  4. Ischemic and Perfusion
4.  Which of the following is a contributing factor to pressure injury development?
  1. Heat
  2. Moisture
  3. Lack of sensation
  4. All of the above
5.  A pressure injury includes partial thickness loss of dermis and a shallow open ulcer. What stage is this?
  1. Stage 1
  2. Stage 2
  3. Stage 3
  4. Stage 4
6.  A pressure injury includes full thickness tissue loss with exposed muscle. What stage is this?
  1. Stage 1
  2. Stage 2
  3. Stage 3
  4. Stage 4
7.  General pressure seating interventions include:
  1. Low and even pressure distribution
  2. Weight shifts
  3. Avoiding high loading, even for short time periods
  4. All of the above
8.  Optimal tilt guidelines are:
  1. Every 15-30 minutes, for at least 1 minute, more than 30 degrees
  2. Every 60 minutes, for at least 15 minutes, more than 45 degrees
  3. 4 times a day, for at least 1 minute, amount of tilt is not applicable
  4. 4 times a day, for at least 15 minutes, more than 30 degrees
9.  Tom is a 51 year old man with a C2 level SCI. He needs a power wheelchair and seating system. He has a recent injury and no current pressure injuries. What are his risk factors?
  1. Lack of sensation
  2. Cognitive deficits
  3. Poor nutrition
  4. Smoking
10.  Tom is a 51 year old man with a C2 level SCI. He needs a power wheelchair and seating system. He has a recent injury and no current pressure injuries. What power seating options could reduce his pressure risk?
  1. Seat elevation
  2. Tilt
  3. Recline
  4. Both B and C are correct

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