1. You're most likely to have a vitamin B12 deficiency if you fall into which age range?
a. 20-29
b. 30-39
c. 40-49
d. 50-59

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5. If you suffer from depression, you're probably deficient in which of the following vitamins?
a. Vitamin A
b. B vitamins
c. Vitamin E
d. None of the above

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2. Which of the following diets can cause a calcium deficiency?
a. a low-fat diet
b. a high-protein diet
c. a low-sodium diet
d. a high-sodium diet

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6. Which of the following groups of people is least likely to be deficient in iron?
a. endurance athletes
b. menopausal women
c. premenopausal women
d. vegetarians

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3. If you take birth control pills, which vitamin(s) might you be lacking?
a. Vitamin A
b. B vitamins
c. Vitamin C
d. All of the above

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7. Taking which of the following medications can deplete your levels of coenzyme Q10?
a. antibiotics
b. antidepressants
c. antihypertensive drugs
d. cholesterol-lowering drugs

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4. You're most likely to have a vitamin D deficiency during the winter months if you live in which of the following cities?
a. Nashville
b. Philadelphia
c. Salt Lake City
d. Seattle

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8. Which of the following diets could cause you to be deficient in vitamin B12?
a. a high-fiber diet
b. a low-fat diet
c. a low-sodium diet
d. a vegan diet

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