Nutrition - Chapter 8

Beriberi is a disease caused by lack of ________ in the diet. a. riboflavin b. thiamin c. vitamin C d. niacin

B

The process of adding nutrients to foods is called: a. enrichment. b. fortification. c. milling. d. supplementation.

B

The role of folate in DNA synthesis makes it particularly important in: a. lipid synthesis. b. rapidly dividing cells. c. nerve cells. d. old age.

B

Which statement about niacin is true? Select one: a. There is no UL established for niacin intake. b. Niacin is important in the production of energy from dietary nutrients. c. Niacin deficiency causes adverse effects in limited areas of the body. d. Niacin is needed to synthesize tryptophan.

B

The RDA for B6 in adults ____________ with aging. a. increases b. decreases c. stays the same d. increases for males but decreases for females

A

Vitamin B6 is NOT involved in which physiologic process? a. Formation of non-essential amino acids b. Hemoglobin synthesis c. Collagen formation d. Formation of white blood cells important for immunity

C

Which lifestyle factor increases the requirement for vitamin C? a. Drinking alcohol b. Exercising frequently and intensely c. Smoking cigarettes d. Eating a diet high in fiber

C

Symptoms of ariboflavinosis do NOT include: a. inflammation of the eyes and mouth. b. scaly, greasy skin eruptions. c. confusion. d. megoblastic anemia.

D

Which is a good dietary source of thiamin? a. Sunflower seeds b. Pork c. Whole grains d. All of the above

D

Which physiologic process requires vitamin B12? a. Division of red blood cells b. Synthesis of proteins c. Activation of niacin d. Maintenance of myelin and normal nerve transmission

D