Functions of the Liver

Which vessel brings nutrient-rich, oxygen-poor blood from the small intestines to the liver?

• hepatic vein
• hepatic portal vein
• hepatic artery
• inferior vena cava

Within the liver, into what structure does the hepatic portal vein subdivide?

• sinusoids
• capillaries
• hepatocytes
• Kupffer cells

How are amino acids stored in hepatocytes?

• As transferrin
• As hemoglobin
• As bile salts
• They are not stored, but exreted as nitrogenous waste

Which of the following is NOT a function of cholesterol?

• Vitamin D synthesis
• Creation of chylomicrons
• Synthesis of steroid hormones
• Bile production

What does high-density lipoprotein (HDL) do?

• raises your risk for heart disease and stroke
• enters cell respiration to create ATP
• absorbs cholesterol and carries it to the liver
• increases glycogen stores in hepatocytes

How is iron stored in hepatocytes?

• As ferritin
• As transferrin
• As retinol
• As calciferol

During hemoglobin recycling in the Kupffer cells, what is the fate of the four globin polypeptides that make a single hemoglobin protein?

• Stored as ferritin
• Carried to bone marrow
• Hydrolyzed into amino acids
• used to make bile

Which of the following is NOT a direct cause of jaundice?

• Gallstones
• Hepatitis
• Cirrhosis
• Bladder infections

Hepatocytes produce what percentage of plasma proteins?

• 90%
• 80%
• 10%
• 20%

Which of the following is a plasma protein produced by hepatocytes?

• hemoglobin
• albumin
• lipase
• insulin