Digestive System Quiz

What is the main function of the digestive tract?

• To absorb nutrients

• To secrete hormones

• To propel food

• To filter blood

What is the process of breaking down food into absorbable molecules called?

• Digestion

• Absorption

• Ingestion

• Secretion

What is the primary role of the stomach in digestion?

• Absorption of nutrients

• Storage and mixing of food

• Production of insulin

• Secretion of bile

What is the function of bile produced by the liver?

• Absorption of carbohydrates

• Digestion of proteins

• Emulsification of fats

• Secretion of insulin

What type of digestion occurs in the mouth?

• Neither mechanical nor chemical

• Mechanical only

• Chemical only

• Both mechanical and chemical

What is the role of the pancreas in digestion?

• Secretes bile

• Absorbs nutrients

• Produces insulin only

• Secretes digestive enzymes

Which vitamin is produced by bacteria in the colon?

• Vitamin K

• Vitamin C

• Vitamin A

• Vitamin D

What is the primary function of the large intestine?

• Digestion of proteins

• Production of bile

• Absorption of water

• Secretion of enzymes

What is the main component of gastric juice?

• Bile

• Pepsin

• Hydrochloric acid

• Amylase

Which structure prevents food from entering the trachea during swallowing?

• Epiglottis

• Uvula

• Hard palate

• Soft palate