1. What percentage of our bodies is comprised of water?
30
50
70 
90 

2. Which nutritional supplement may have valid scientific support?
Vitamin E at high altitude
Vitamin A at high altitude
Vitamin A in smoggy urban settings
All of the above

3. Initially when fasting or cutting calories drastically, rapid weight loss occurs. This is primarily due to a depletion of the body's stores of:
Glycogen and its associated water 
Amino acids and ketones
Minerals and vitamins 
Fat

4. Which does NOT contain more than 50% saturated fat?
Beef fat
Chicken fat
Coconut oil
Shortening

5. Which has the least cholesterol?
8 oz sirloin steak with all visible fat trimmed 
8 oz sirloin steak with fat
Big Mac (quarter pounder), milkshake, French fries
One extra large egg

6. Which has the highest fat content?
Burger King Hamburger, Deluxe
Denny's French toast
Carl's Jr. onion rings (5 oz order)
Dunkin' donut — plain (2.8 oz)

7. Which is the highest in sodium?
1 cup cottage cheese
1 serving of potato chips
3 strips of bacon
1 bakery size bagel

8. The iron from which food is best absorbed into the body?
Raisins
Spinach
Beans
Hamburger

9. Which is NOT a good source of calcium?
Almonds
Non-fat milk
Broccoli
Peaches

10. Vitamin C is NOT beneficial for:
Muscle repair
Production of epinephrine
Increased absorption of non-heme iron
Prevention of colds and flu

11. Megadoses of Vitamin C may cause which of the following symptoms:
Anemia
Decreased bone density
Kidney stones
Cardiac arrest

12. Sodium in sport drinks consumed during exercise may:
Replace sodium lost in sweat
Maintain part of the "thirst drive"
Make the drink taste better
All of the above

13. Excess calories from which source is most easily converted into body fat?
Fat
Protein
Carbohydrate 
They are all converted into fat at the same rate

14. The following are good sources of Vitamin B12 EXCEPT for:
Egg
Beef
Tuna
Kidney beans

15. Which group of exercising people most likely needs to consume the most protein?
Vegetarians
The elderly
Those in the initial stages of a weight-training program 
All of the above

16. Which fat-soluble vitamins are most likely to be toxic in large doses?
Vitamins A and D
Vitamins D and E
Vitamins A and E
Vitamins E and C

17. Which food contains complete (high quality) protein?
Brown rice
Whole wheat bread
Kidney beans
Tuna fish

18. During starvation, the body's protein is used to:
Rebuild lost tissue
Synthesize hormones
Synthesize antibodies
Provide energy

19. True or false: Ultramarathoners and other people who exercise over long periods of time (over 4 hours) probably use more protein for energy than do weight lifters.
True
False

20. When a sedentary person begins to exercise, they may NOT lose weight right away. Which of the following is not a valid reason for this?
The muscles may increase in size
Muscle glycogen and water stores may increase
Total blood volume may increase
A pound of muscle and a pound of fat weigh the same