Sunday, May 11, 2008

Six Nutrition Questions

Take a short quiz and test your nutrition knowledge. These are not trick questions, and they all have information important to your health. I have selected these from the UC Berkeley Wellness Letter, March 2008, as part of a larger Nutrition Quiz. I have modied the questions and answers with my own comments. There may be more than one correct answer. Here goes:

1. Fish is a good source of:
a. vitamin C
b. protein
c. beta carotene
d. omega-3 fatty acids

2. Nuts are high in:
a. calories
b. fat
c. cholesterol
d. all of the above

3. Rank the following foods for potassium, from the most to the least:
a. a cup of orange juice
b. a cup of yogurt
c. 3 ounces of halibut
d. a medium banana
e. a cup of broccoli

4. True or False:
Olive oil has more calories than butter

5. True or False:
Honey and brown sugar are healthier for you than white table sugar

6. To lower blood pressure, you should
a. eat more fruits and vegetables
b. eat low fat or nonfat dairy foods
c. use less salt
d. take a potassium supplement

Answers:

1. b and d. Fish has as much protein as meat, and is a good source of omega-3 fatty acids. Fish does not contain significant vitamin C or beta carotene, found in vegetables and fruits.

2. a and b. Nuts have 160-200 calories per ounce, with macademia nuts being the highest. Nuts are high in fat, but fortunately this is the healthy monounsaturated type of fat. Only animal foods have cholesterol.

3. b, a, c, e, d. While bananas are well known for their potassium (420 milligrams per medium sized banana), other foods are even higher. A cup of yogurt has 530 milligrams, and orange juice 500. The halibut has 490 milligrams and the broccoli 460.

4. True. Olive oil has 120 calories and 13.5 grams of fat per tablespoon, while butter has 100 calories and 11.5 grams of fat. However, the fat in butter is not the healthy type since it is saturated, while olive oil is rich in healthy monounsaturated fat. However, use it sparingly because of the calories and total fat content.

5. False. Sugar is sugar. Brown sugar is white sugar with a little molasses for coloring. The sugar in honey is similar to white sugar, and any other nutritional ingredients are insignificant. All sugars are ok in moderation and best if combined with other foods containing protein.

6. a, b, c. The DASH diet (see my Blog on this) for lowering blood pressure emphasizes fruits, vegetables and low fat or nonfat dairy products. Salt raises blood pressure in most people and should be avoided in any excess. No one should take potassium supplements unless prescribed by a physician. Potassium in foods, such as fruits and vegetables, are helpful, but not as supplements.

4 comments:

JC said...

Dr. Scherger,

Thanks for your information on nutrition. I am sure you will be glad to know there is a healthful sugar called trehalose. It is only 45% as sweet as regular table sugar but seems to benefit the cells. I have a number of published science papers about the benefits of trehalose with neurodegenerative challenges, especially Huntington's posted on my blog at www.endowmentmed.org

Thanks again for your informative site.

JC

Big Times Info said...

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