Question 1Multiple ChoiceWhich enzyme is responsible for digesting carbohydrates in the mouth?PepsinAmylaseLipaseTrypsin
Question 2Multiple ChoiceWhere does the digestion of protein begin?Small intestineStomachLarge intestineMouth
Question 3Multiple ChoiceWhat is the main function of the liver in the digestive system?Digest carbohydratesProduce bile to emulsify fatsProduce insulinFilter toxins from the blood
Question 4Multiple ChoiceIn the small intestine, which substances are absorbed into the blood?CarbohydratesAmino acids, glucose, and fatty acidsProteinFat
Question 6Multiple ChoiceWhen does carbohydrate digestion by amylase temporarily stop?Small intestineStomachMouthLarge intestine
Question 7Multiple ChoiceWhich part of the digestive system absorbs water and forms feces?Large intestineSmall intestineStomachDuodenum
Question 8Multiple ChoiceWhich enzyme produced by the pancreas helps digest protein?TrypsinAmylaseLipasePepsin
Question 9Multiple ChoiceWhat triggers the conversion of pepsinogen to pepsin in the stomach?Hydrochloric acid (HCl)BileAmylaseTrypsin
Question 10Multiple ChoiceWhat is the main function of the small intestine in digestion?Produce digestive enzymesAbsorb nutrients from digested foodFilter toxinsTemporarily store food
Question 11Multiple ChoiceWhich substance aids in the digestion of fats in the small intestine?BilePepsinAmylaseHCl
Question 12Multiple ChoiceWhat is the process of emulsification in fat digestion?Breaking down fats into fatty acidsBreaking down fats into small droplets by bileDestroying fats with the enzyme lipaseTurning fats into proteins
Question 13Multiple ChoiceWhat substances are absorbed by the large intestine?Amino acids and glucoseWater and mineral saltsFatty acids and glycerolCarbohydrates and proteins
Question 14Multiple ChoiceWhat is the main function of teeth in digestion?Digesting proteinsBreaking food into smaller piecesProducing digestive enzymesAbsorbing nutrients
Question 15Multiple ChoiceWhat is one function of the salivary glands?Producing amylase to digest carbohydratesProducing bile to digest fatsBreaking down proteins in foodAbsorbing water and vitamins
Question 16Multiple ChoiceWhere does fat digestion begin?Large intestineStomachDuodenum (first part of the small intestine)Mouth
Question 17Multiple ChoiceWhich part of the stomach regulates the flow of food into the duodenum?CardiaPylorusFundusAntrum
Question 18Multiple ChoiceWhere does protein digestion by pepsin begin?Small intestineStomachMouthLarge intestine
Question 19Multiple ChoiceIn carbohydrate digestion, what does amylase in the mouth break starch into?MaltoseGlucoseFructoseAmino acids
Question 20Multiple ChoiceWhat is the function of bile in digestion?Destroying proteinsEmulsifying fats to be digested by lipaseBreaking down carbohydratesFiltering toxins from the blood