31. Signs and symptoms of kwashiorkor include

A. a “skin and bone” appearance.

B. edema.

C. apathy.

D. a hypermetabolic state.

32. A vegetarian who only avoids meat, fish, and poultry is referred to as a

A. lacto-ovo-vegetarian.

B. vegan.

C. semi-vegetarian.

D. fruitarian.

33. Which of the following choices would be appropriate for a vegan?

A. vegetable omelet

B. tofu stir-fry

C. yogurt topped with granola

D. cheese pizza

34. Animal foods are the only naturally occurring food source of which nutrient?

A. protein

B. calcium

C. vitamin C

D. vitamin B12

35. Which of the following is a soy product?

A. edamame

B. tempeh

C. tofu

D. all of the above

36. Which of the following is an essential amino acid?

A. histadine

B. alanine

C. arginine

D. glutamine

37. Hemoglobin is a good example of which structure of protein?

A. primary

B. secondary

C. tertiary

D. quaternary

38. Antibodies play an important role in the ________ system.

A. respiratory

B. cardiovascular

C. digestive

D. immune

39. Which of the following conditions has been shown to result from eating too little protein?

A. kidney stones

B. heart disease

C. reduced bone mass

D. calcium deficiency

40. What mineral do some proteins provide that is not found in either carbohydrates or lipids?

A. sulfur

B. zinc

C. iron

D. calcium