Question
The blood supply of liver consists of:
The correct answer is
80% portal vein and 20 % hepatic artery
Liver Blood Supply Composition Explained
The liver receives its blood supply from two major vessels:
- The Hepatic Artery: Supplies oxygenated blood.
- The Portal Vein: Carries nutrient-rich blood from the digestive organs (stomach, intestines, spleen, pancreas).
The majority of the blood flow to the liver comes from the portal vein. The specific contribution percentages are crucial for understanding liver physiology.
Blood Flow Percentages
The blood supply composition is approximately:
- Portal Vein: $80\%$
- Hepatic Artery: $20\%$
Therefore, the portal vein contributes significantly more blood volume to the liver than the hepatic artery.
Correct Answer Analysis
Based on the physiological data:
- Option 1 is incorrect.
- Option 2 is correct, accurately stating the blood supply consists of 80% portal vein and 20% hepatic artery.
- Option 3 is incorrect.
- Option 4 is incorrect.
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Important Questions from Liver Diseases
- Which of the following Ascitic Fluid analysis is most compatible with a diagnosis of Ascites secondary to portal hypertension?
- The parameters used in modified Child-Pugh classification for staging cirrhosis are:
- The gold standard for diagnosis of Wilson's disease is:
- The recent classification system for listing a patient as a candidate for liver transplantation is:
- A gentleman of 48 years was being worked up for hepatocellular function. He had no history or signs of encephalopathy. His serum bilirubin was 5 mg%, serum albumin was 3.9 gm%, International normalized ratio was 1.6. On ultrasound no free fluid was detected inside abdomen.
As per Child-Turcotte-Pugh (CTP) classification, he was in:
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