hemoglobin dissociation curve

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10 Terms

1
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dissociation curve

between the hemaglobin and o2

does o2 fall of hb or not 

2
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shape of dissociation curve

sigimoidal (S shaped)

3
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at the steep part of dissociation curve

small changes produce large changes in % saturation

4
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y-axis of dissociation curve

hemoglobin saturation

5
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x axis of dissociation curve

Po2

6
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P50

Po2 value at which hemoglobin is 50% saturation is achieved

7
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Po2 & affinity 

are inversely related to each other 

8
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high affinity on dissociation curve

low P50

-cuve is shifted more to to the left

9
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low affinity on dissociation curve

high P50

-cuve is shifted more to the right

10
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both curves

both curves reach 50% saturation but require different amounts of Po2