21. The enzymes aminopeptidase and dipeptidase are secreted by the

a. mouth.

b. stomach.

c. small intestine.

d. pancreas.

22. Complementary proteins

a. provide higher quality protein when eaten together.

b. enhance each other’s metabolic actions.

c. are more easily absorbed.

d. taste good together.

23. In the mouth, protein foods are

a. broken down to amino acids.

b. broken up mechanically by chewing.

c. broken down to peptides.

d. coagulated by rennin.

24. Of the following, the food with the highest quality protein is

a. an omelet with cheese, whole wheat toast, and orange juice.

b. stir fry with chicken, green beans, and carrots.

c. stuffed turkey breast, peas, and baked potato.

d. a bean burrito, corn on the cob, and tomato salad.

25. Which of the following conditions might result in the greatest catabolism?

a. growth

b. multiple trauma with extensive organ damage

c. rehabilitation after routine gallbladder surgery

d. healing a broken bone in the arm

26. If the excretion of nitrogen exceeds the nitrogen intake, the condition is called

a. total nitrogen balance.

b. positive nitrogen balance.

c. negative nitrogen balance.

d. anabolism.

27. The grams of high-quality protein required daily for an individual who weighs 170 lb and is close to ideal body weight would be _____ g.

a. 45.2

b. 55.3

c. 61.8

d. 94.0

28. In planning a vegetarian meal, an appropriate combination of complementary proteins would be

a. cornmeal tamales and beans.

b. lentils and beans.

c. bean sprouts and cabbage.

d. whole wheat and rice.

29. A client weighs 130 lbs. She is close to desirable body weight and consumes a total of 40 grams of protein/day. The most appropriate nutritional counseling would be to

a. increase protein intake.

b. maintain current protein intake.

c. decrease protein intake.

d. increase use of complementary proteins.

130 lbs ÷ 2.2 lbs/kg = 59 kg body weight

59 kg x 0.8 g protein/kg = 47 grams protein/day