Digestive System Quiz

What is the primary function of saliva in the oral cavity?

• To store food

• To lubricate and begin the chemical digestion of food

• To absorb nutrients

• To produce bile

Which organ is responsible for producing bile?

• Gallbladder

• Pancreas

• Liver

• Salivary glands

What role does bile play in digestion?

• It absorbs nutrients

• It emulsifies fats

• It stores food

• It produces enzymes

Where does bile flow after it is produced in the liver?

• Directly into the stomach

• Into the large intestine

• Through the hepatic ducts to the small intestine

• Into the gallbladder only

What is the function of the gallbladder?

• To produce enzymes

• To store and concentrate bile

• To absorb nutrients

• To digest proteins

How does the pancreas aid in digestion?

• By producing bile

• By secreting pancreatic juice, which contains digestive enzymes

• By storing food

• By breaking down fats only

Which of the following best describes pancreatic juice?

• A mixture of bile and saliva

• A mix of digestive enzymes, water, buffers, and electrolytes

• A yellowish fluid that only emulsifies fats

• A substance that absorbs nutrients

What is the role of the small intestine in digestion?

• To store food

• To absorb nutrients after digestion

• To produce bile

• To break down food mechanically

Why is it important for the pancreas to buffer stomach acids?

• To help with the absorption of nutrients

• To prevent damage to the small intestine from acidity

• To enhance the flavor of food

• To increase the production of bile

Which accessory organ is described as a green pear-shaped sac?

• Liver

• Pancreas

• Gallbladder

• Salivary glands