Digestive System Video Quiz2

What are the two things that need to happen for our bodies to get energy from the food we eat?

• The food needs to be cooked and then eaten

• The food needs to be broken down and absorbed into the bloodstream

• The food needs to be refrigerated and then digested

• The food needs to be chewed and then eliminated

Where does absorption mainly occur in the digestive system?

• In the stomach

• In the large intestine

• In the small intestine

• In the alimentary canal

What type of enzymes break down carbohydrates into simpler molecules?

• Protease enzymes

• Lipase enzymes

• Amylase enzymes

• Emulsification enzymes

Which enzyme is responsible for breaking down proteins in the stomach?

• Amylase

• Lipase

• Protease called pepsin

• Protease called trypsin

What is the pH level of the stomach where protease enzymes like pepsin work well?

• pH of about 2

• pH of about 8

• pH of about 6

• pH of about 4

What process needs to occur for lipase enzymes to effectively digest lipids?

• Emulsification

• Hydrolysis

• Dehydration synthesis

• Oxidation

What enzyme digests proteins into amino acids in the small intestine?

• Amylase

• Lipase

• Pepsin

• Trypsin

Which enzyme is responsible for breaking down carbohydrates into sugars?

• Trypsin

• Lipase

• Amylase

• Pepsin

What are lipids digested into by lipase?

• Amino acids and glycerol

• Fatty acids and glycerol

• Sugars and amino acids

• Sugars and fatty acids

Where does the enzyme pepsin function?

• Small intestine

• Stomach

• Pancreas

• Liver