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23 Cards in this Set
- Front
- Back
How much of your liver do you need to be functioning to sustain life? |
10-20% (highly redundant system) |
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How quickly do hepatocytes turnover? |
Every 24 hours, so regeneration is the first nutritional priority |
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How many lobes does the liver have? |
Four |
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The hepatic artery delivers what to the liver? |
Oxygen |
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The hepatic portal vein delivers what to the liver? |
Nutrients |
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Name the two most important carbohydrate metabolism functions of the liver. |
1) Gluconeogenesis |
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Name the 6 most important fat metabolism functions of the liver. |
1) Fatty acid synthesis |
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Name the two most important protein metabolism functions of the liver. |
1) Synthesis of plasma proteins/clotting factors |
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Name the two most important hormone metabolism functions of the liver. |
1) Metabolism/excretion of steroid hormones |
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What organ metabolizes and excretes biliruben? |
Liver |
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What does the liver primarily store? |
GLycogen, Vitamin A/B12, Iron |
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What important function of the liver is utilized when the body undergoes significant blood loss? |
Blood reservoir- holds about 650 ml of blood |
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In liver glucose metabolism, glucose is taken in in the form of ___________, glycogen, monosaccharides, or ______________. It is stored as ______________ in the body. It is distributed and used as _________ ___________. |
Starch |
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What important toxic compound does the liver eliminate in the urea cycle? |
NH3 |
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What is the primary component of biliruben and where is its primary source? |
Heme groups; RBCs |
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When biliruben is released into the blood, what are its two fates? |
1) Binding to albumin |
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True or false: biliruben is highly water soluble. |
False; water insoluble |
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True or false: Biliruben glucaronide and biliruben diglucaronide are both water soluble. |
True |
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What deconjugates and metabolizes biliruben to urobilinogen? |
Gut microflora |
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True or false: Biliruben should NEVER be seen in the urine because of Enterohepatic Recirculation. |
True |
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How much biliruben is produced each day? |
300 mg |
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What is the major form of biliruben found in the blood? |
Unconjugated, but loosely bound to albumin |
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Is the presence of BGG in the urine always pathological? |
Yes. |