Welcome to the Quiz!
This quiz contains 11 questions from a mix of 1 subtopics.
Which of the following best describes physical digestion?
the breakdown of large food pieces into smaller ones
the elimination of waste products
the breakdown of food by enzymes
the absorption of nutrients into the bloodstream
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Which of the following best describes chemical digestion?
the elimination of waste products
the breakdown of food by mechanical means
the absorption of nutrients into the bloodstream
the breakdown of food by enzymes
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What is the role of salivary glands in the digestive system?
to store waste before egestion
to absorb water from digested food
to secrete saliva containing amylase
to secrete bile for lipid digestion
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What is the function of the stomach in the digestive system?
to absorb nutrients into the bloodstream
to secrete enzymes for carbohydrate digestion
to digest food (especially proteins) and destroy pathogens
to store faeces before removal
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What is the role of the large intestine in the digestive system?
to absorb water and store waste
to emulsify lipids
to secrete digestive enzymes
to digest proteins
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What happens to salivary amylase in the stomach?
it is not affected by stomach acid
it is activated by stomach acid
it is denatured by stomach acid
it continues starch digestion
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Which enzyme breaks down maltose into glucose monomers in the ileum?
sucrase
lactase
amylase
maltase
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What is the role of bile salts in lipid digestion?
to store lipids for later use
to emulsify lipids into tiny droplets called micelles
to absorb lipids into the bloodstream
to hydrolyse lipids into fatty acids and monoglycerides
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Which type of proteases hydrolyse inner peptide bonds?
dipeptidases
disaccharidases
endopeptidases
exopeptidases
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Which type of proteases remove amino acids or dipeptides from the ends of peptides?
disaccharidases
endopeptidases
dipeptidases
exopeptidases
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Which type of proteases break down dipeptides into amino acids?
exopeptidases
dipeptidases
endopeptidases
disaccharidases
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