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Questions and Answers
Questions and Answers
What is the primary function of the liver?
What is the primary function of the liver?
- Regulating glucose, protein, and fat metabolism (correct)
- Detoxifying drugs and alcohol
- Storing and activating vitamins, minerals, and enzymes
- Synthesizing almost all plasma proteins
How much functioning liver is required to sustain life?
How much functioning liver is required to sustain life?
- 10-20% (correct)
- 40-50%
- 50-60%
- 30-40%
What is the composition of bile?
What is the composition of bile?
- Cholesterol, lipoproteins, phospholipids, and bicarbonate
- Cholesterol, fatty acids, and waste products
- Cholesterol, bile pigments, bile acids, and waste products (correct)
- Bile salts, cholesterol, and waste products
Which vitamin is required by the liver for the synthesis of prothrombin and other clotting factors?
Which vitamin is required by the liver for the synthesis of prothrombin and other clotting factors?
What is the primary function of the enterohepatic circulation of bile?
What is the primary function of the enterohepatic circulation of bile?
What happens to ammonia produced during gluconeogenesis in the liver?
What happens to ammonia produced during gluconeogenesis in the liver?
Which blood supply provides glucose to the liver for storage as glycogen?
Which blood supply provides glucose to the liver for storage as glycogen?
What is the primary role of the liver in fat metabolism?
What is the primary role of the liver in fat metabolism?
What is the primary function of albumin synthesized by the liver?
What is the primary function of albumin synthesized by the liver?
What is the main function of hepatocytes in the liver?
What is the main function of hepatocytes in the liver?
What happens to 25 OH D3 in the liver?
What happens to 25 OH D3 in the liver?
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Study Notes
Study Notes
Liver Functions
- The primary function of the liver is to filter blood, detoxify, and perform various metabolic processes.
Liver Viability
- A minimum of 25% functioning liver tissue is required to sustain life.
Bile Composition
- Bile is composed of water, bile salts, cholesterol, and bilirubin.
Vitamin K and Liver Function
- Vitamin K is necessary for the liver to synthesize prothrombin and other clotting factors.
Enterohepatic Circulation of Bile
- The primary function of the enterohepatic circulation of bile is to recycle bile salts and fat-soluble vitamins.
Ammonia in the Liver
- During gluconeogenesis, ammonia is produced in the liver and converted into urea for excretion.
Glucose Supply to the Liver
- The hepatic artery supplies glucose to the liver for storage as glycogen.
Liver and Fat Metabolism
- The primary role of the liver in fat metabolism is to regulate lipid synthesis and breakdown.
Function of Albumin
- The primary function of albumin synthesized by the liver is to maintain plasma oncotic pressure and transport fatty acids.
Hepatocyte Function
- The main function of hepatocytes in the liver is to perform various metabolic processes, including detoxification, synthesis, and storage.
Vitamin D3 in the Liver
- In the liver, 25 OH D3 is converted into calcitriol, the active form of vitamin D.
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