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Questions and Answers
What percentage of the cardiac output does the liver receive?
What percentage of the cardiac output does the liver receive?
- 25%
- 20% (correct)
- 10%
- 5%
Which vessel provides 75% of the liver's blood supply?
Which vessel provides 75% of the liver's blood supply?
- Portal vein (correct)
- Aorta
- Pulmonary vein
- Renal artery
What is the main mediator of hepatic artery buffer response?
What is the main mediator of hepatic artery buffer response?
- Norepinephrine
- Dopamine
- Adenosine (correct)
- Acetylcholine
What effect does sympathetic stimulation have on hepatic blood flow?
What effect does sympathetic stimulation have on hepatic blood flow?
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What percentage of the liver's blood supply is provided by the hepatic artery?
What percentage of the liver's blood supply is provided by the hepatic artery?
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How many anatomic lobes does the human liver consist of?
How many anatomic lobes does the human liver consist of?
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What mediates the hepatic artery buffer response?
What mediates the hepatic artery buffer response?
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How is hepatic blood flow regulated by the hepatic artery buffer response?
How is hepatic blood flow regulated by the hepatic artery buffer response?
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What effect does hypoxemia have on hepatic blood flow?
What effect does hypoxemia have on hepatic blood flow?
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Which vessel provides 25% of the liver's oxygen requirements?
Which vessel provides 25% of the liver's oxygen requirements?
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