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WorksheetsDIGESTIVE SYSTEM REVIEW
Total questions: 25
Worksheet time: 13mins
Which of the following is considered an accessory organ of the digestive system?
Small Intestine
Esophagus
Gallbladder
Stomach
This mineral is essential for neural tube development in a developing embryo.
Vitamin A
Vitamin B
Folic Acid
Iodine
This mineral aids in bone & tooth formation, blood clotting, and nervous system functions
Iron
Calcium
Iodine
Magnesium
This vitamin is a component in coenzymes
Vitamin A
Vitamin B
Vitamin D
Vitamin E
Minerals are ____________ while vitamins are ______
inorganic / organic
organic / inorganic
needed in small amounts / needed in larger amounts
needed in large amounts / needed in smaller amounts
__________ is an important component of thyroid hormones
Vitamin A
Vitamin C
Folic Acid
Iodine
Vitamin ________ is important in blood clotting
A
E
C
K
____________ helps balance pH & water in the body
Potassium
Calcium
Iodine
Folic acid
Vitamin _______ helps prevent damages to cell membranes
A
B
E
K
The appendix is important in that it _______
balances water levels in the body
balances red blood cells in the body
balances bacteria levels in the colon
balances pH in the colon
I break down proteins into smaller polypeptides
Pepsin
Trypsin
Lipase
Amylase
Chemical digestion of carbohydrates begins with ______ ?
bile`
pancreatic amylase
salivary amylase
chyme
Polysaccharides are broken down by amylase into ________`
amino acids
monosaccharides
disaccharides
smaller polypeptides
Disaccharides are broken into _____ by ______
monosaccharides / amylase
nucleotides / amylase
monosaccharides / brush border enzymes
nucleotides / brush border enzymes
Bile salts break fat molecules into _________ in the ________
fat droplets / small intestine
fat droplets / stomach
fatty acids & glycerol / stomach
fatty acids & glycerol / small intestine
Sucrase breaks _______ into ________ in the _________
sucrose / disaccharides / small intestine
sucrose / monosaccharides / stomach
sucrose / monosaccharides / mouth
sucrose / monosaccharides / small intestine
What occurs mainly in the small intestine?
Gastrin is secreted
Lysozyme is secreted
Acidic chyme is neutralised
What is the function of the lacteal within the villi of small intestines?
Absorbs proteins & carbohydrates
Absorbs proteins & lipids
Absorbs lipids only
Absorbs proteins only
Select ALL that make the small intestine more efficient in its job
Small intestines are acidic to kill any unwanted bacteria
Villi are filled with capillaries to get molecules into blood easier
Villi have microvilli which catch small molecules
Villi have muscles which pump molecules into the lacteal
Villi are one cell layer thick, allowing for efficient absorption
Which of the following is NOT a function of the stomach
muscular contractions aid in mechanical digestion
pepsin breaks down carbohydrates
stomach acid helps kill unwanted bacteria
stomach enzymes begin breaking down proteins
_________ & _________ increase the surface area of the small intestines which makes nutrient absorption more likely.
Capillaries / villi
Lacteal / villi
Capillaries / lacteal
Villi / microvilli
