Activities Quiz
1.

When digested, proteins are broken down into _____. (Activity 41A)

glycerol only
fatty acids only
monosaccharides
amino acids
both glycerol and fatty acids


2.

When digested, fats are broken down into _____. (Activity 41A)

glycerol only
fatty acids only
monosaccharides
amino acids
both glycerol and fatty acids


3.

Starch is a type of _____. (Activity 41A)

disaccharide
nucleotide
polysaccharide
fatty acid
monosaccharide


4.

Your small intestine can absorb ____ without their being further digested. (Activity 41A)

starches
fats
proteins
fructoses
nucleic acids


5.

Which of these enzymes begins the breakdown of starch? (Activity 41A)

bile
disaccharidases
lipase
amylase
nucleases


6.

Starch can be broken down into the disaccharide known as _____. (Activity 41A)

lactose
glucose
sucrose
fructose
maltose


7.

Protein digestion begins in the _____. (Activity 41A)

mouth
esophagus
stomach
small intestine
large intestine


8.

What is the main component of gastric juice? (Activity 41A)

inactive pepsin
amylase
hydrochloric acid
water
bile


9.

_____ is secreted by the _____ and acts to emulsify _____ in the _____. (Activity 41A)

Lipase ... small intestine ... fats ... small intestine
Trypsin ... pancreas ... fats ... small intestine
Nucleases ... pancreas ... nucleic acids ... stomach
Amylase ... salivary glands ... starch ... stomach
Bile ... liver ... fats ... small intestine


10.

What acid is responsible for stomach acidity? (Activity 41A)

hydrochloric acid
carbonic acid
sulfuric acid
acetic acid
sodium hydroxide


11.

Secretin stimulates the _____ to secrete _____. (Activity 41B)

pancreas ... bicarbonate
pancreas ... pancreatic enzymes
small intestine ... disaccharidases
stomach ... bicarbonate
liver ... liver enzymes


12.

Cholecystokinin (CCK) stimulates the _____ to secrete _____. (Activity 41B)

pancreas ... bicarbonate
pancreas ... pancreatic enzymes
small intestine ... disaccharidases
stomach ... bicarbonate
liver ... liver enzymes


13.

The acidity of the stomach contents triggers the small intestine to secrete a hormone known as _____. (Activity 41B)

cholecystokinin, or CCK
histones
TSH
secretin
pepsin


14.

The presence of fatty acids and amino acids in the stomach contents triggers the small intestine to secrete a hormone known as _____. (Activity 41B)

cholecystokinin, or CCK
histones
insulin
secretin
thyroxine


15.

Bile is produced by the _____ and stored by the _____ until it is secreted into the small intestine. (Activity 41B)

liver ... gall bladder
pancreas ... gall bladder
liver ... pancreas
gall bladder ... liver
esophagus ... stomach



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