1.Explain the cause of pins and needles sensation in a limb that has been in one position for a long time. 2.Explain why pneumonia is a common occurrence in immobilized persons. 3. Explain how...

1.Explain the cause of pins and needles sensation in a limb that has been in one position for a long time.

2.Explain why pneumonia is a common occurrence in immobilized persons.

3. Explain how immobility affects the circulation.

4. Give several reasons why healing may be delayed during a period of immobility.

5. Explain how frequent changes of position would affect:

a. the amount of interstitial fluid in an area

b. respiratory function

c. the skin