#1
Which duct connects the gallbladder to the common bile duct?
Cystic duct
Hepatic duct
Pancreatic duct
Duodenal duct
#2
What is the function of the pancreatic duct?
Transport bile to the gallbladder
Transport digestive enzymes to the small intestine
Absorb nutrients from digested food
Produce gastric juices
#3
What is the function of the ileocecal valve?
Regulate the flow of chyme from the stomach to the small intestine
Prevent backflow of contents from the large intestine into the small intestine
Regulate the flow of bile from the liver to the gallbladder
Control the release of pancreatic enzymes into the duodenum
#4
Which duct drains bile from the liver?
Hepatic duct
Common bile duct
Pancreatic duct
Cystic duct
#5
Which organ produces bile?
Liver
Pancreas
Gallbladder
Stomach
#6
What is the function of the pyloric sphincter?
Regulate the flow of chyme from the stomach to the small intestine
Prevent backflow of contents from the large intestine into the small intestine
Control the release of bile into the duodenum
Control the release of pancreatic enzymes into the duodenum
#7
Which part of the digestive system is responsible for absorbing most nutrients?
Stomach
Small intestine
Large intestine
Esophagus
#8
What is the function of the hepatic portal vein?
Carry nutrient-rich blood from the intestines to the liver
Carry nutrient-rich blood from the liver to the rest of the body
Carry bile from the liver to the gallbladder
Carry oxygenated blood from the heart to the liver
#9
Which enzyme is responsible for breaking down fats into fatty acids and glycerol?
Lipase
Amylase
Trypsin
Pepsin
#10
What is the function of the gastroesophageal sphincter?
Regulate the flow of chyme from the stomach to the small intestine
Prevent backflow of contents from the stomach into the esophagus
Control the release of bile into the duodenum
Control the release of pancreatic enzymes into the duodenum
#11
Which of the following is NOT part of the digestive system ducts?
Esophagus
Pancreatic duct
Common bile duct
Urethra
#12
What is the main function of the common bile duct?
Transport bile from the liver to the gallbladder
Transport bile from the gallbladder to the small intestine
Neutralize stomach acid
Absorb nutrients from the small intestine
#13
What is the function of the sphincter of Oddi?
Control the release of bile and pancreatic juice into the duodenum
Regulate the flow of chyme from the stomach to the small intestine
Prevent backflow of contents from the large intestine into the small intestine
Control the release of pancreatic enzymes into the duodenum
#14
Which part of the small intestine receives bile and pancreatic juices?
Duodenum
Jejunum
Ileum
Colon
#15
Which organ stores and concentrates bile?
Liver
Gallbladder
Pancreas
Stomach
#16
What is the function of the brush border enzymes in the small intestine?
Break down proteins into amino acids
Break down carbohydrates into simple sugars
Break down fats into fatty acids and glycerol
Final digestion of carbohydrates, proteins, and nucleic acids
#17
Which digestive enzyme breaks down proteins into smaller peptides?
Amylase
Lipase
Trypsin
Maltase
#18
What is the primary function of the appendix?
Store bile
Digest cellulose
Neutralize stomach acid
Serve as a reservoir for beneficial bacteria
#19
Which hormone stimulates the release of gastric juices in the stomach?
Insulin
Glucagon
Gastrin
Cholecystokinin (CCK)
#20
What is the function of bile salts?
Emulsify fats for better digestion and absorption
Neutralize stomach acid
Activate enzymes in the small intestine
Break down carbohydrates into simple sugars
#21
Which sphincter controls the flow of bile into the duodenum?
Ileocecal sphincter
Pyloric sphincter
Hepatopancreatic sphincter
Anal sphincter
#22
What is the primary function of the large intestine?
Digestion of fats
Absorption of water and electrolytes
Secretion of digestive enzymes
Absorption of nutrients
#23
Which hormone stimulates the release of bile from the gallbladder?
Insulin
Glucagon
Cholecystokinin (CCK)
Gastrin
#24
Which part of the digestive system secretes hydrochloric acid?
Liver
Pancreas
Stomach
Small intestine
#25
Which part of the digestive system secretes bicarbonate-rich fluid to neutralize stomach acid?
Liver
Gallbladder
Pancreas
Small intestine