#1
Which of the following is NOT a function of the liver?
Production of insulin
ExplanationInsulin is produced by the pancreas, not the liver.
#2
Which blood vessel carries nutrient-rich blood from the digestive organs to the liver?
Portal vein
ExplanationThe portal vein transports blood from the digestive organs to the liver for processing.
#3
What is the name of the condition characterized by the accumulation of excess fat in the liver cells?
Fatty liver disease
ExplanationFatty liver disease results from the buildup of fat in liver cells.
#4
Which vitamin is primarily stored in the liver?
Vitamin K
ExplanationThe liver plays a crucial role in storing and releasing Vitamin K.
#5
What is the main function of the bile produced by the liver?
Emulsifying fats
ExplanationBile emulsifies fats, aiding in their digestion and absorption.
#6
What is the functional unit of the liver?
Hepatocyte
ExplanationHepatocytes are the primary cells in the liver responsible for its various functions.
#7
Which hormone stimulates the production of bile by the liver?
Cholecystokinin (CCK)
ExplanationCholecystokinin (CCK) triggers the release of bile from the liver.
#8
What is the primary function of Kupffer cells in the liver?
Phagocytosis of bacteria and foreign particles
ExplanationKupffer cells are specialized liver macrophages involved in immune defense.
#9
Which of the following enzymes is predominantly produced by the liver?
Alanine transaminase (ALT)
ExplanationALT is a liver enzyme involved in amino acid metabolism and is predominantly produced by the liver.
#10
Which hormone stimulates glycogen breakdown in the liver?
Glucagon
ExplanationGlucagon signals the liver to break down glycogen into glucose.
#11
Which of the following is NOT a component of the portal triad?
Hepatic vein
ExplanationThe portal triad includes the portal vein, hepatic artery, and bile duct, but not the hepatic vein.
#12
Which liver function test assesses the synthetic function of the liver?
Prothrombin time (PT)
ExplanationProthrombin time measures blood clotting and reflects the liver's synthetic function.
#13
Which of the following is NOT a component of the hepatic portal triad?
Hepatic vein
ExplanationThe hepatic portal triad includes the portal vein, hepatic artery, and bile duct, but not the hepatic vein.