Name: ______________________________ Title: Exam 3 Course: FCSN 245-Basic Nutrition Prof: David Gee, PhD Date: March 9, 2004 1. Recent clinical trials on the effectiveness of the Atkins diet found a. LDL-cholesterol increased when eating the Atkins Diet b. blood triglycerides increased c. rate of weight loss was good and comparable to the weight loss in the low-fat group d. blood pressure increased while on the Atkins diet e. all of the above were found 2. A high quality protein: a. supplies high levels of urea b. is dependent on the size of the protein c. provides the proper balance of essential amino acids d. contains only essential amino acids e. contains not only protein but also DNA and RNA 3. The Body Mass Index of a five foot (1.5m) female weighing 100 pounds (45kg) is: a. 27 b. 24 c. 22 d. 20 e. 16 4. In the Nurse's Health Study, women with initial BMI's of between 19-25 who lost 5-19 pounds over four years had significantly improved quality of life scores. 5. In the Nurse's Health Study, overweight and obese women who lost weight had improved quality of life scores. 6. Studies have shown that increases in lifestyle activities have little or no effect on energy expenditure or weight loss. 7. Proteins that speed chemical reactions are: a. antibodies b. enzymes c. hemoglobin d. clotting factors e. steroid hormones 8. Amino acids are similar with respects to the chemical structure of their "back bone". They differ with respect to the composition of their: a. peptide bonds b. amount of nitrogen atoms c. side chain d. valence of the center carbon atom e. all of the above - 2- Name: ______________________________ Title: Exam 3 9. Of the following proteins which is the highest quality? a. cow milk protein b. meat protein c. soy protein d. egg protein e. wheat protein 10. The activity level of a sedentary person amount to an energy ex- penditure of about 50% of the BMR. 11. Genetic engineering of food crops holds great promise, but currently consumption of these modified foods is very rare in the US. 12. Low quality proteins are short in one or more of the non-essential amino acids. 13. A "Healthy Weight" is a broad range of weights that allows for good health and minimizes risks for developing chronic diseases. 14. The weight loss drug Meridia (sibutramine) works to help people 15. Weight gain occurs when a diet: a. is high in % calories as carbohydrate b. is high in % calories as fat c. leads to positive energy balance d. all of the above e. none of the above 16. Of the following proposed treatment strategies, which one would be most likely to help someone who wants to lose 15 pounds safely ? a. A 500 calorie per day diet b. Mild exercise program coupled with a modest restriction of calories c. a ketogenic diet d. gastric bypass surgery e. prescription medications like Meridia or Xenical 17. One would be at a "unhealthy" weight if ones BMI were greater than 25 and ones fasting blood glucose concentration were greater than: a. 35 mg/dl b. 40 mg/dl c. 55 mg/dl d. 80 mg/dl e. 126 mg/dl 18. A deficiency in protein results in a. a gain in fat tissue weight b. increased secretion of digestive enzymes c. essential fatty acid deficiency d. kwashiorkor e. cancer 19. Current laws do NOT require genetically modified foods to be labeled as being genetically modified. - 3- Name: ______________________________ Title: Exam 3 20. If foods are not selected carefully, strict vegetarians can be at risk for the following nutrient deficiencies: a. iron, Vit B12 , calcium b. vitamins C, K and pantothenic acid c. carbohydrates, protein and fat d. oxylates, phytates and dietary fiber e. none of the above 21. The need for calories after age 50: a. increases to counteract the adverse effects of aging b. remains the same as in early adulthood c. increases because digestion and absorption of food becomes more difficult d. goes down because of decreased physical activity and decreased basal energy needs. e. none of the above. 22. Robert has been slowly but steadily gaining weight over the past six months. Which is a appropriate way to reverse this trend? a. increase basal metabolic rate with medication b. increase sqecific dynamic action c. achieve positive energy balance with high-fiber foods d. increase physical activity and decrease caloric intake e. all of the above 23. In general, the older you get, the higher your BMR. 24. The biological value of a protein measures a. the total amount of protein in a food b. the amount of nitrogen in a food c. how much dietary protein is retained in the body d. the calorie : essential amino acid ratio e. the degree of protein synthesis 25. Strict vegetarian diets cannot be recommended to the average person because vegetable proteins are imbalanced and are of poor quality. 26. Kwashiorkor and marasmus are: a. forms of proten-energy malnutrition b. common in third world countries c. are common in the United States d. a and b e. a, b, and c 27. Which of the following would increase BMR? a. Large frame with large body surface area b. being female with a large proportion of body fat c. older, over 70 d. starvation e. c and d - 4- Name: ______________________________ Title: Exam 3 28. From the Univ. of Colorado's National Weight Loss Registry, the type of diet most frequently used for long term maintenance of weight loss was a. a relatively low fat, healthy diet b. an Atkins type of diet c. a very low fat diet, such as the Ornish Heart Disease reversal diet d. the Zone Diet e. there was no consistent pattern, strenuous exercise of 7 days per week for 1-2 hours per day was required by these individuals