Digestive System Quiz

What is the primary function of the digestive system?

• Regulate body temperature

• Convert food into smaller molecules for cells to use

• Absorb oxygen

• Produce energy for the body

Which enzyme in saliva breaks down carbohydrates?

• Pepsin

• Intrinsic factor

• Lingual lipase

• Amylase

What is the function of bile in digestion?

• Break down proteins

• Emulsify fats

• Absorb iron

• Reabsorb bile salts

What is the role of villi in the small intestine?

• Break down fats

• Secrete digestive enzymes

• Produce stomach acid

• Absorb nutrients into the bloodstream

What is the primary job of the large intestine?

• Synthesize vitamins

• Break down carbohydrates

• Absorb water

• Produce bile

Which organ in the digestive system secretes hydrochloric acid?

• Stomach

• Gallbladder

• Pancreas

• Liver

What enzyme in the stomach helps break down proteins into peptides?

• Amylase

• Intrinsic factor

• Pepsin

• Lingual lipase

What is the function of the ileocecal valve?

• Secrete digestive enzymes

• Absorb nutrients

• Pass waste into the large intestine

• Produce bile

What is the purpose of peristalsis in the digestive system?

• Move food along the digestive tract

• Absorb nutrients

• Mix food with stomach acid

• Break down fats

What is the final product of digestion in the stomach called?

• Chyme

• Villi

• Peptides

• Bolus