Question

The organ with the largest AVO2 difference in the resting state is the: A. Brain B....

The organ with the largest AVO2 difference in the resting state is the:

A. Brain

B. Kidney

C. Liver

D. Heart

E. G-I Tract

Science   Anatomy-And-Physiology   
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Answer #1

Answer -Liver

The arteriovenous oxygen difference (a-VO2) refers to the difference between oxygen content in the arterial blood (oxygenated blood) and venous blood(deoxygenated blood).This is the amount of oxygen being removed from blood in capillaries as it travels throughout body.The arterial blood contains oxygen concentration of around 20mL/100mL where as venous blood contains oxygen concentration of around 15mL/100mL ,thus it makes the arteriovenous oxygen difference (a-VO2) of 5mL/100mL. The organs receive the more blood arterial blood and have largest arteriovenous oxygen difference (a-VO2) is liver then comes kidney, muscle and brain. Therefore liver have highest arteriovenous oxygen difference (a-VO2) and brain have lowest (a-VO2).

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