Chapter 22 Lecture Quiz Part 1

What is the main cause of heartburn?

• Backflow of chyme into the esophagus

• Excessive production of gastric juice

• Inflammation of the stomach lining

• Blockage in the small intestine

Which organ secretes bile?

• Liver

• Pancreas

• Gallbladder

• Stomach

What is the function of bile in digestion?

• Absorbs nutrients into the bloodstream

• Aids in protein digestion

• Breaks up fats into small droplets

• Neutralizes stomach acid

What is the purpose of peristalsis in the small intestine?

• Propels food along the digestive tract

• Breaks down large biological molecules

• Absorbs nutrients into the bloodstream

• Mixes chyme with digestive juices

What is the main function of the stomach?

• Absorbs nutrients into the bloodstream

• Stores food and drink

• Breaks down fats into small droplets

• Neutralizes stomach acid

What is the primary role of the pancreas in digestion?

• Secretes gastric juice

• Produces bile

• Produces pancreatic juice

• Neutralizes stomach acid

What is the purpose of the epiglottis?

• Secretes digestive enzymes

• Controls the flow of food into the stomach

• Prevents backflow of chyme into the esophagus

• Closes the trachea during swallowing

What is the main function of the mouth in digestion?

• Performs mechanical and chemical digestion

• Stores food and drink

• Breaks down fats into small droplets

• Absorbs nutrients into the bloodstream

What is the purpose of mechanical digestion in the mouth?

• Mixes food with digestive juices

• Cuts, smashes, and grinds food

• Absorbs nutrients into the bloodstream

• Breaks down large biological molecules

What is the primary function of the small intestine?

• Absorbs nutrients into the bloodstream

• Performs mechanical digestion

• Secretes digestive enzymes

• Stores food and drink