Chapter 41: Animal Nutrition
 
Activities Quiz
 

Activities Quiz


1 .       When digested, proteins are broken down into _____. (Activity: Digestive System Function) 

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


2 .       When digested, fats are broken down into _____. (Activity: Digestive System Function) 

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


3 .       Starch is a type of _____. (Activity: Digestive System Function) 

 disaccharide
 nucleotide
 polysaccharide
 fatty acid
 monosaccharide


4 .       Your small intestine can absorb ____ without their being further digested. (Activity: Digestive System Function) 

 starches
 fats
 proteins
 fructoses
 nucleic acids


5 .       Which of these enzymes begins the breakdown of starch? (Activity: Digestive System Function) 

 bile
 disaccharidases
 lipase
 amylase
 nucleases


6 .       Starch can be broken down into the disaccharide known as _____. (Activity: Digestive System Function) 

 lactose
 glucose
 sucrose
 fructose
 maltose


7 .       Protein digestion begins in the _____. (Activity: Digestive System Function) 

 mouth
 esophagus
 stomach
 small intestine
 large intestine


8 .       What is the main component of gastric juice? (Activity: Digestive System Function) 

 inactive pepsin
 amylase
 hydrochloric acid
 water
 bile


9 .       _____ is secreted by the _____ and acts to emulsify _____ in the _____. (Activity: Digestive System Function) 

 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: Digestive System Function) 

 hydrochloric acid
 carbonic acid
 sulfuric acid
 acetic acid
 sodium hydroxide


11 .       Secretin stimulates the _____ to secrete _____. (Activity: Hormonal Control of Digestion) 

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


12 .       Cholecystokinin (CCK) stimulates the _____ to secrete _____. (Activity: Hormonal Control of Digestion) 

 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: Hormonal Control of Digestion) 

 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: Hormonal Control of Digestion) 

 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: Hormonal Control of Digestion) 

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







©;2005 Pearson Education, Inc., publishing as Benjamin Cummings.