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CWU NUTR 446 - Sports Nutrition Exam

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Name: ______________________________ Title: Sports Nutrition Exam Course: NUTR/EXSC 446 Prof: David L. Gee, PhD Date: May 4, 2007 True (A) and False (B) questions 1. If you were to recommend to a runner a fluid replacement protocol, including carbohydrate content, for use during a marathon, which of the following would you NOT recommend? a. use a 50-60 percent solution of galactose b. provide approximately 10-15 grams per feeding c. provide feedings about every 15-20 minutes d. limit the amount of fructose in the solution e. choose a combination of carbohydrates 2. The glycemic index represents: a. the degree to which an athlete suffers from hypoglycemia b. the amount of glucose released into the blood in response to exercise c. the effect of a particular food has on the rate and amount of increase in blood glucose level d. the amount of stored glycogen in the muscle and liver e. the total amount of insulin released in response to food intake. 3. The practice of consuming carbohydrate rich foods within 2 hours after a workout has not been shown to have a significant effect on the rate of muscle glycogen synthesis compared to waiting to eat more than 2 hours after working out. 4. Sweating is an effective means of cooling only if the sweat is evaporating off of the skin. 5. After competing in an opening round singles tennis match, your client has lost 3 pounds of weight. She will be playing in a doubles match in another 3 hours. In order to be fully hydrated for that match, she should drink about _____ of fluids. a. up to 3 pints b. up to 3 cups c. 3 to 4.5 pints d. 6 quarts e. a 6-pack of beer6. Drinking a concentrated sugar beverage 30-60 minutes prior to exercise can generally improve sprinting and other "power" activities. 7. Hyponatremia may result from the overconsumption of sport drinks during ultra-endurance events. 8. The increase in sweat loss in athletes is largely made up by the increased amount of water found in foods they eat as well as the increased water produced by their higher metabolism during exercise. 9. Glycogen synthesis is thought to be maximal during the first two hours after a strenuous workout. 10. According to the ADA/ACSM position paper, AFTER exercise the dehydrated athlete should drink ____ oz of fluids for every pound of body weight lost during exercise in order to re-hydrate. a. 8 b. 10 c. 16 d 16 - 24 e. 24 - 32 11. Which of the following has been proven to increase fat utilzation during exercise, spare muscle glycogen, and enhance endurance exercise performance? a. carnitine b. conjugated linoleic acid c. omega-3 fatty acids d. hydroxycitrate e. none of the above 12. Supplementation with some amino acids has been theorized to decrease the formation of serotonin in the brain and possibly help delay the onset of central nervous system fatigue in prolonged aerobic endurance exercise. Which amino acids are theorized to do this? a. asparagine, aspartic acid and glutamine b. arginine, ornithine, and inosine c. tryptophan, arginine, and creatine d. inosine, creatine, and alanine e. leucine, valine, and isoleucine 13. Performance during high-intensity aerobic endurance exercise is NOT improved by consuming carbohydrate-containing drinks at regular intervals.14. in the ADA/ACSM position paper, they conclude that daily weigh-ins should be discouraged for athletes. 15. A 50kg gymnast (a power athlete) consuming a 2000 Cal diet containing 12% protein, is getting an adequate amount of protein based on the recommendations given in the ACSM/ADA Position Paper. 16. During glycogen loading, the depletion phase associated with the traditional protocol includes: a. high CHO diets and intense workouts b. low CHO diets and easy workouts c. low CHO diets and intense workouts d. high CHO diets and easy workouts 17. During glycogen loading, the repletion or loading phase is associated with which of the above protocols? 18. Athletes that are acclimatized to environmental heat stress conditions will sweat less and lose less sodium than before they became acclimatized. 19. Reactive hypoglycemia a. only occurs during the depletion phase of carbohydrate loading b. occurs after consuming fructose in sport drinks c. occurs when too much fluids is consumed during an event d. may occur in some individuals when consuming carbohydrate containing foods shortly before exercising e. none of the above 20. Thirst is the best indicator of dehydration in the competitive athlete. 21. Which of the following statements is false? a. the maximal sweat rate apears to be about 2-3 liters per hour b. dehyration as low as 2% of the body weight may lead to a decrease in aerobic endurance performance c. sweat is mainly water d. the major electrolytes found in sweat are potassium and calcium22. Of the drugs and supplements discussed in chapter 13 of William's text, which have the most research supporting their ability to enhance exercise or sports performance? a. caffeine and androstenedione b. gengseng and ephedrine c. alcohol and DHEA d. androstenedione and ephedrine e. sodium bicarbonate and caffeine 23. Consumption of sport drinks containing 2-8% carbohydrate are probably as effective as pure water in providing fluid replenishment. 24. In the ADA/ACSM position paper, they recommend that athletes consume _____g of CHO per kg BW per day. a. 0.5 - 1.5 b. 0.8 c. 6 - 10 d. 15 - 20 e. 45- 55 25. Therefore and athlete weighing 150 pounds should consume no less than ____ grams of CHO per day. a. 400 b. 200 c. 100 d. 600 e. 800 26. In William's textbook, he states that fat loading appears to be an effective ergogenic aid. 27. Typically, glycogen loading is associated with a 2-4 pound weight loss. 28. Generally speaking, sweat is hypotonic relative to plasma. 29. The major electrolyte(s) lost in sweat


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