Digestive System Mastery Quiz

Which organ is responsible for the absorption of nutrients?

• Liver

• Stomach

• Small intestine

• Large intestine

What is the primary function of stomach acid?

• To break down nutrients

• To kill bacteria and aid in digestion

• To absorb vitamins

• To produce digestive enzymes

Which enzyme is responsible for breaking down proteins into peptides?

• Amylase

• Lipase

• Pepsin

• Lactase

What is peristalsis?

• The process of absorbing nutrients

• The chemical breakdown of food

• The mechanical breakdown of food

• The rhythmic contractions that move food through the digestive tract

Which organ is NOT directly involved in the digestion or absorption of food?

• Esophagus

• Gallbladder

• Kidney

• Pancreas

Where does the majority of digestion and absorption of nutrients occur?

• Stomach

• Small intestine

• Large intestine

• Mouth

What role does the liver play in digestion?

• It produces digestive enzymes

• It absorbs nutrients

• It produces bile to help digest fats

• It stores undigested food

Which of the following is a digestive disorder?

• Hypertension

• Asthma

• Ulcerative colitis

• Diabetes

What is the role of the enzyme amylase?

• To digest fats

• To digest proteins

• To digest carbohydrates

• To digest nucleic acids

How does the stomach protect itself from the acidic environment required to digest food?

• By producing a thick layer of mucus

• By absorbing the acid into the bloodstream

• By secreting digestive enzymes

• By moving the food quickly into the small intestine