The gastric enzyme present in infants that coagulates milk is:
a. casein.
b. pepsinogen.
c. trypsin.
d. rennin.
Q. 2Pepsinogen secreted by the gastric cells is converted into pepsin by:
a. enterokinase.
b. hydrochloric acid.
c. gastric lipase.
d. pancreatic lipase.
Q. 3Enzymes found in pancreatic secretions include:
a. rennin.
b. pepsin.
c. chymotrypsin.
d. casein.
Q. 4Proteins are absorbed primarily in the form of:
a. fatty acids.
b. disaccharides.
c. amino acids.
d. polypeptides.
Q. 5The amino acids methionine, tyrosine, and tryptophan play a role in:
a. forming neurotransmitters.
b. blocking excess protein breakdown.
c. increasing production of insulin and thyroxine.
d. decreasing energy expenditure.
Q. 6The nutrient that has a protein-sparing effect is:
a. glycerol.
b. carbohydrate.
c. nitrogen.
d. fatty acids.
Q. 7Infections are common in people who have inadequate protein intake because of an insufficient quantity of:
a. insulin.
b. lipoprotein.
c. antibodies.
d. albumin.
Q. 8A person is most likely to have a diet with good protein quality if he or she:
a. has a high protein intake.
b. consumes a variety of foods.
c. uses amino acid supplements.
d. buys high-quality meats.
Q. 9Branched chain amino acids (leucine, isoleucine, and valine) may be especially important for a patient with:
a. cancer-related malnutrition.
b. marasmus.
c. cardiovascular disease.
d. severe depression.
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