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Oedema may be caused by any of the following EXCEPT:

 # Oedema may be caused by any of the following EXCEPT :
A. An increase in the plasma protein concentration 
B. An increase in the capillary hydrostatic pressure 
C. An increase in the capillary permeability 
D Lymphatic obstruction 



The correct answer is A. An increase in the plasma protein concentration.

Oedema is accumulation of fluid in the interstitial tissue spaces and serous cavities.

Causes of oedema 
• Decreased plasma oncotic pressure 
• Increased capillary hydrostatic pressure 
• Increased capillary permeability 
• Lymphatic obstruction 
• Tissue factors (increased oncotic pressure of interstitial fluid, and decreased tissue tension) 
• Sodium and water retention. 

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