31.What is the calcium RDA for all adults?

a.500 mg

b.800 mg

c.1000 mg

d.1500 mg

32.Which of the following is a characteristic of phosphorous in nutrition?

a.Low dietary intakes have no adverse effects.

b.About 65 percent of the body’s phosphorus is located in bones and teeth.

c.The phosphoric acid in cola drinks has little effect on bone content.

d.The ratio of phosphorus to calcium in the diet is important for bone maintenance.

33.What is the approximate percentage of phosphorous that is stored in bones and teeth?

a.85 percent

b.75 percent

c.65 percent

d.55 percent

34.Which of the following minerals is involved in the transportation of lipids through the body’s lymph and blood systems?

a.iron

b.sodium

c.calcium

d.phosphorus

35.Which of the following minerals is least likely to be deficient in anyone’s diet?

a.iron

b.calcium

c.chromium

d.phosphorus

36.The plant version of vitamin D known as?

a.ergocalciferol

b.foliocalciferol

c.cholecalciferol

d.phyllo-calciferol

37.What is the animal version of vitamin D known as?

a.ergocalciferol

b.foliocalciferol

c.cholecalciferol

d.phyllocalciferol

38.Which one of the following organs are required for the complete synthesis of activated vitamin D?

a.pancreas

b.heart

c.kidney

d.intestines

39.Which of the following shows the highest vitamin D activity?

a.cholecalciferol

b.7-dehydrocholesterol

c.25-hydroxy vitamin D

d.1,25-dihydroxy vitamin D

40.Which of the following compounds serves as the major precursor for the body’s synthesis of vitamin D?

a.cholesterol

b.tryptophan

c.beta-carotene

d.eicosapentanoic acid