39 Questions
What is one of the primary functions of the human liver?
Production of bile
Where is albumin primarily produced?
Liver
What is the primary function of the hepatic duct?
Transportation of bile to the gallbladder and duodenum
What is a unique feature of hepatocytes?
Contact with bile canaliculi and bile ducts
What is a characteristic of bilirubin?
Poorly soluble in water at physiologic pH
What happens to bilirubin during conjugation?
It becomes more soluble in water
What is bilirubin di-glucuronide?
A type of bilirubin that has two glucuronic acid molecules attached
What is the primary site of albumin production in the body?
Liver
What is the primary location of the urea cycle?
Liver
What is the primary cause of the yellow color of urine?
Presence of stercobilin
Which of the following is a detoxification marker of the liver?
Serum albumin
What is the primary reason for the brown color of stool?
Presence of stercobilin
What is the primary location where ammonia is transferred to?
Liver
What is the primary characteristic of post-hepatic jaundice?
High level of conjugated bilirubin
What is the primary cause of prehepatic jaundice?
Sickle cell anemia
What is the color of urobilinogen?
Colorless
What is the primary product of conjugated bilirubin conversion by normal GI bacterial flora?
Colorless Urobilinogen and a brown-colored Urobilin
What is the primary fate of amino nitrogen in protein catabolism?
Converted to urea
What is the product of pyruvate transamination in skeletal muscle in the glucose-alanine cycle?
Alanine
What is the product of the reaction between carbamoyl phosphate and ornithine in the urea cycle?
Citrulline
What are the primary functions of the liver?
All of the above
What is the characteristic of the globulin level in multiple myeloma?
Increases
What is the characteristic of plasma ammonia levels in severe hepatocellular disease?
Increases
What is the consequence of drinking too much alcohol over long periods of time?
Alcoholic liver disease
What is the most sensitive indicator of jaundice?
Yellowing of sclera
What is the cause of hepatic jaundice?
Impaired uptake, conjugation or excretion of bilirubin
What is the purpose of liver function tests?
To detect and diagnose liver disease
What is responsible for the brown color of feces?
Stercobilin
Which organ is responsible for producing albumin?
Liver
What is NOT a function of the liver?
Regulation of body temperature
Which vitamin is NOT related to the liver?
Vitamin C
What is the primary organ responsible for excreting 80% of the body's nitrogen as urea?
Liver
What is the byproduct of conjugated bilirubin produced by GI bacterial flora?
Stercobilin and urobilinogen
Where is ammonia transported to after protein catabolism?
Liver
What is the primary function of bile salts?
Breakdown fat
What is the indication of elevated serum alanine transaminase?
Hepatocytes damage
Which of the following is NOT a function of the liver?
Bone mineralization
What is the term for a liver disease that occurs when bile is reduced or blocked?
Cholestasis
What is the primary function of ALT and AST?
Indicating hepatocytes damage
A quiz on liver functions and liver function tests, covering topics like bile production, metabolization of fats and carbohydrates, and albumin production.
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