mitty Forum Guru
Topics: 52 Posts: 376
| | 07/23/06 - 11:06 AM  
 
   
 
|   #1 |
A 29-year-old woman is undergoing surgery for multiple internal injuries. She is losing large amounts of blood and requires a blood transfusion. Her blood group is A negative. Stocks of this blood type are low and she receives a large volume of older banked blood in which erythrocyte 2,3-diphosphoglycerate (2,3-DPG) levels are low. What effect will this transfusion have on her oxygenation characteristics? a ablility to load o2 to hemeglobin in the lungs is decresed b ability to unload o2 at tissues is decresed c arterial o2 tension is reduced d venus o2 content is reduced
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| study_ing Forum Fanatic

Topics: 180 Posts: 2,511
| | 07/23/06 - 11:53 AM  
 
   
 
|   #2 |
a
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| mitty Forum Guru
Topics: 52 Posts: 376
| | 07/23/06 - 12:09 PM  
 
   
 
|   #3 |
try again
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| study_ing Forum Fanatic

Topics: 180 Posts: 2,511
| | 07/23/06 - 12:15 PM  
 
   
 
|   #4 |
d
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| mitty Forum Guru
Topics: 52 Posts: 376
| | 07/23/06 - 12:33 PM  
 
   
 
|   #5 |
think of the o2 dissociation curve and try one more time.
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| star1 Forum Guru

Topics: 93 Posts: 827
| | 07/23/06 - 12:58 PM  
 
   
 
|   #6 |
decrease in DPG will shift the curve to the LEFT and it will increase the affinity of Hb for O2 so B seem to be right
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| DanVitor Forum Junior
Topics: 4 Posts: 34
| | 07/23/06 - 12:59 PM  
 
   
 
|   #7 |
It's B
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| mjl1717 Forum Hero

Topics: 957 Posts: 5,461
| | 07/23/06 - 01:15 PM  
 
   
 
|   #8 |
without any theory you know its between a and b b is correct// mitty is right -think of the "classic" O2 dissociation curve
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| muzammil Forum Guru

Topics: 16 Posts: 664
| | 07/23/06 - 01:16 PM  
 
   
 
|   #9 |
b
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| mitty Forum Guru
Topics: 52 Posts: 376
| | 07/23/06 - 01:16 PM  
 
   
 
|   #10 |
yes it is b
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| study_ing Forum Fanatic

Topics: 180 Posts: 2,511
| | 07/24/06 - 05:24 AM  
 
   
 
|   #11 |
im so sorry i read it as dpg increase!!!
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