IHD Physiology

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Author:
yuenyan
ID:
222534
Filename:
IHD Physiology
Updated:
2013-06-05 11:16:02
Tags:
Medicine
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Description:
IHD physiology
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  1. what is the order of the number of cells in human body?
    1014
  2. what are the FOUR  properties of protein contributing to the dynamic  nature of the cell?
    • spatial
    • temporal
    • quality
    • quantity
  3. how to calculate the volume of interstitial fluid?
    • total body fluid 60%
    • intracellular fluid 2/3
    • extracellular fluid 1/3
    • -> intravascular 1/4
    • -> interstitial 3/4
  4. what do we use to measure extracellular fluid volume?
    insulin
  5. what do we use to measure the plasma volume?
    albumin
  6. how do we calculate plasma osmolarity?
    • 2[Na+] + [K+] + [urea] + [glucose]
    • * osmolarity = amount of substance per kg of solvent
  7. give an example of NEGATIVE feedback system.
    • Thermoregulation
    • -> efficiency = correction/ error (must be negative number)
  8. give FOUR examples of POSITIVE feedback system.
    • childbirth
    • blood clot formation
    • preovulatory LH surge by oestrogen
    • generation of nerve signals

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