Digestive System

Multiple Choice

What are the two main components of the digestive system?

• Gastrointestinal tract and accessory organs

• Stomach and small intestine

• Liver and gallbladder

• Esophagus and colon

Multiple Choice

What is peristalsis?

• The force that propels food down the GI tract

• The process of breaking down food into smaller components

• The secretion of various fluids/enzymes to help with digestion

• The absorption of nutrients by the body

Multiple Choice

What is the function of amylase?

• To break down starch into maltose and dextrin

• To digest proteins

• To emulsify fats

• To absorb nutrients into the bloodstream

Multiple Choice

Which organ produces gastric juice?

• Stomach

• Liver

• Pancreas

• Gallbladder

Multiple Choice

What is chyme?

• A semi-liquid mass of partially digested food

• A digestive enzyme

• A hormone that regulates digestion

• A type of muscle contraction

Multiple Choice

What is the role of bile in digestion?

• To emulsify fats

• To break down proteins

• To absorb nutrients into the bloodstream

• To store digested nutrients

Multiple Choice

Which organ produces pancreatic juice?

• Pancreas

• Stomach

• Liver

• Gallbladder

Multiple Choice

What is the main function of the small intestine?

• Digestion and absorption of nutrients

• Storage of chyme

• Production of bile

• Absorption of water and nutrients

Multiple Choice

What is the purpose of segmentation contractions in the small intestine?

• To mix chyme with digestive juices and increase contact time with the intestinal walls

• To propel food down the GI tract

• To break down proteins into amino acids

• To absorb water and nutrients

Multiple Choice

What is the function of the large intestine?

• To convert digested leftovers into feces

• To produce bile

• To absorb nutrients into the bloodstream

• To store chyme

Multiple Choice

What are gut flora?

• Bacteria in the colon that can break down substances in the chyme

• Enzymes produced by the small intestine

• Hormones that regulate digestion

• Vitamins produced by the liver

Multiple Choice

What is the final step of the digestive process?

• Bowel movement

• Absorption of nutrients into the bloodstream

• Production of chyme

• Storage of fecal matter

Multiple Choice

Where does digestion start?

• Oral cavity

• Stomach

• Small intestine

• Colon

Multiple Choice

What is the function of the salivary glands?

• To secrete saliva and moisten food

• To produce gastric juice

• To store bile

• To absorb nutrients into the bloodstream

Multiple Choice

What is the major organ of the GI tract?

• Stomach

• Liver

• Pancreas

• Gallbladder