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Is dextrose an isotonic or hypotonic solution?

  1. Aug 6, 2015 #1
    Hello everyone,

    1. I know 5% dextrose is isotonic outside body
    2. Also 10% dextrose is hypertonic outside body
    3. Also (5% dextrose + Normal saline) is also hypertonic

    However if we consider that once inside the body all dextrose gets metabolised by body, leaving only water.
    Then once inside the body these become

    1.Hypotonic
    2.Hypotonic
    3. Isotonic

    Respectively.

    Then if a question comes about the tonicity of these solutions. Which one should I pick for example (5% dextrose + Normal saline) , I choose hypertonic or isotonic for that one.

    Thanks :smile:
     
  2. jcsd
  3. Aug 6, 2015 #2

    Ygggdrasil

    User Avatar
    Science Advisor

    It would probably take a relatively long time for the glucose to be metabolized enough to change is concentration significantly.
     
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