30 Questions
What is the function of the liver in producing bile?
Eliminating waste in the small intestine
Which function does the liver perform related to glucose?
Converting excess glucose into glycogen for storage
What is a major role of the liver in detoxification?
Converting ammonia to urea
How does the liver contribute to immune response?
Producing immune factors
Which substance is excreted in urine as an end product of protein metabolism due to the liver's function?
Urea
What is one of the liver's functions related to blood plasma proteins?
Regulating blood clotting
What is the main function of intestinal bile salts?
Promote digestion of dietary fats
What may happen if there is a deficiency in Vitamin K?
Bleeding issues
How does Vitamin D deficiency affect adults according to the text?
Osteomalacia due to decreased calcium absorption
What is a potential consequence of biliary tract pathology?
Decreased absorption of fat-soluble vitamins
How do bile salts prevent the formation of gallstones according to the text?
By keeping cholesterol in a soluble form
What is the main role of bile acids and salts in lipid digestion?
Enhancing lipid absorption
What is the primary function of the liver related to red blood cells?
Removing old or damaged red blood cells
Which process is associated with liver function in protein metabolism?
Detoxifying ammonia
What role does the liver play in carbohydrate metabolism?
Releasing glucose into the bloodstream
Which function is NOT associated with the reticuloendothelial system?
Producing bilirubin
In addition to synthesizing albumin and transferrin, what other protein does the liver produce?
Ceruloplasmin
What is the primary role of the liver in cholesterol and lipid metabolism?
Remove fat from blood and metabolize it into fatty acids
Which of the following is NOT a function of Vitamin A?
Increased calcium absorption in the kidneys and intestines
Where is most of the Vitamin D stored in the body?
Adipose tissue
What is the primary role of Vitamin E in the body?
Antioxidant activity and neuromuscular function maintenance
Which clotting factors require Vitamin K for their synthesis?
Factors II, VII, IX, and X
What is the primary site of Vitamin B12 storage in the body?
Liver
What is the main role of the liver in maintaining iron homeostasis?
Recycling iron from senescent red blood cells
What is the primary function of resident macrophages in the liver sinusoids?
To eliminate senescent blood cells and foreign bodies
Which enzyme is responsible for the conversion of biliverdin to bilirubin?
Biliverdin reductase
What is the primary role of hepatocytes in bilirubin elimination?
To convert unconjugated bilirubin to conjugated bilirubin
Where is conjugated bilirubin stored before being excreted?
In the gallbladder
What is the fate of conjugated bilirubin in the small intestine?
It is degraded by bacterial proteases to urobilinogen
What is the initial step in the bilirubin elimination pathway?
Uptake of unconjugated bilirubin by hepatocytes
Test your knowledge about the various important functions performed by the liver, such as bile production, blood plasma proteins synthesis, blood clotting regulation, and glucose metabolism. See how much you know about this vital organ!
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