1. Magnesium is a vitamin.
True
False

2. Magnesium is needed for more than 300 biochemical reactions in the body.
True
False

3. Magnesium helps maintain normal muscle and nerve function, keeps heart rhythm steady, and bones strong.
True
False

4. Magnesium is not involved in energy metabolism and protein synthesis.
True
False

5. Green vegetables such as spinach provide magnesium.
True
False

6. Nuts and seeds are not good sources of magnesium.
True
False

7. Daily needs for magnesium can be met from a single food.
True
False

8. "Hard" water contains more magnesium than "soft" water.
True
False

9. Pregnant women need more magnesium than non-pregnant women.
True
False

10. Signs of magnesium deficiency include confusion, disorientation, loss of appetite, depression, muscle contractions and cramps, tingling, numbness, abnormal heart rhythms, coronary spasm, and seizures.
True
False

11. Poorly controlled diabetes increases loss of magnesium in urine, causing a depletion of magnesium stores.
True
False

12. Alcohol also increases excretion of magnesium in urine, and a high alcohol intake has been associated with magnesium deficiency.
True
False

13. Healthy adults who eat a varied diet do not generally need to take a magnesium supplement.
True
False

14. Individuals with chronically low blood levels of potassium and calcium may have an underlying problem with magnesium deficiency.
True
False

15. Magnesium may play an important role in regulating blood pressure.
True
False

16. Magnesium deficiency can cause metabolic changes that may contribute to heart attacks and strokes.
True
False

17. Magnesium deficiency may be a risk factor for postmenopausal osteoporosis.
True
False

18. Very high doses of magnesium supplements, which may be added to laxatives, can promote adverse effects such as diarrhea.
True
False

19. Signs of excess magnesium can be similar to magnesium deficiency and include mental status changes, nausea, diarrhea, appetite loss, muscle weakness, difficulty breathing, extremely low blood pressure, and irregular heartbeat.
True
False

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