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Nutrition, Supplements and Vitamins

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1. Vitamins give you energy. o True o False Why?

2. British sailors are called "Limeys" because they ate
limes while at sea to prevent scurvy. o True o False Why?

3. Cooking does not affect the vitamin content of foods.o True o False
Why?

4. If some of a vitamin is good, more is better. o True o False Why?

5. Only fat-soluble vitamins can cause toxic reactions. o True o False
Why?

6. Vitamin C can cure the common cold. o True o False Why?

7. Niacin supplements are used to lower blood cholesterol. o True o False Why?

8. Milk stored in clear glass bottles will have less riboflavin
than milk stored in cardboard cartons. oTrue oFalse Why?

9. A woman who takes folic acid supplements before she
becomes pregnant can reduce the risk of birth defects. o True
o False Why?

10. Vitamin B12 is only found in animal products. o True o False Why?

11. Vitamin K can be made by bacteria in the o True o False Why?
gastrointestinal tract.

12. Vitamin D is not always needed in the diet. o True o False Why?

13. A high intake of beta-carotene will o True o False Why?
turn your skin yellow or orange.

14. Certain people need vitamin supplements o True o False Why?
to meet their needs.

15. Lifestyle choices can prevent oxidative damage o True o False Why?

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Solution Summary

This solution provides assistance answering the questions on a true and false exericise related to nutrients, supplements and vitamins. Explanations for the best answers are also provided.

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RESPONSE:

1. Vitamins give you energy. o True o False Why?

Answer: False

Unlike protein, carbohydrates and fats, vitamins do not yield usable energy when broken down - they are truly calorie free. However, they assist the enzymes that release energy from carbohydrates, proteins and fats, while providing no energy themselves. This does not mean vitamins are not important! Although the vitamins themselves don't provide energy, many are required for chemical reactions that do produce energy. In this sense, vitamins can give you energy. http://www.vitamins-nutrition.org/vitamins/vitamins-give-energy.html

2. British sailors are called "Limeys" because they ate limes while at sea to prevent scurvy. o True o False Why?

Answer: True

During the 17 - 19th century British sailors were made to eat citrus fruit mainly limes. This was to stop them catching a decease called scurvey caused by lack of vitamin c and general poor diet. The British navy was the only navy to do this and this is why British sailors are called limeys.

3. Cooking does not affect the vitamin content of foods. o True o False Why?

Answer: False

Overall vitamin losses due to cooking are relatively modest; however it still affects vitamin content. Research suggests that globally we see that, on average, cooking does destroy vitamins, but the consequences are not catastrophic. Average vitamin losses after correction for water loss range from about 10 to 25% in most cases. Also, vitamin losses correlate with what our textbook by Kreutler et al. [1987] said, but not precisely, so obviously heat is only one of the many factors, which affect vitamin content. See the Table on the website, which illustrates dietary variety is as significant to nutrition as cooking. Finally, given the extreme variability in vitamin content of different foods, there is a strong case to be made that variety is at least as important as cooking practices: someone eating 95% raw fruit is far more likely to be vitamin-deficient than someone eating a 100% cooked diet, but including a variety of foods like liver, green vegetables, etc. http://www.beyondveg.com/tu-j-l/raw-cooked/raw-cooked-2f.shtml

4. If some of a vitamin is good, more is better. o True o False Why?

Answer: False

Some people might think that if a little is good, a lot must be better. But, that doesn't necessarily apply to vitamins and minerals. Depending on the supplement, your age, and your health, taking more than 100% DV could be harmful to your health. Also, if your body cannot use the entire supplement you take, you've wasted money. ...

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