Nutrition+NLL

//**Nutrition**//

1. What is the rationale behind using BMI to judge obesity? Healthy rationale BMI’s= 19.1 to 26.4, overweight BMI’s= 26.5 to 31.1, obese BMI’s= 32.3 to 39.9, and morbidly obese BMI’s= 40 or more; calculated by taking weight of the individual in kilograms and then dividing the weight by the square of the height in meters.

2. What disorders are associated with obesity? Anorexia nervosa, bulimia nervosa, binge-eating disorder, and muscle dysmorphia.

3. Why might carbohydrates be the cause of the obesity epidemic today? Foods with carbohydrates have a high glycemic index because the blood glucose response to its food is high. When the level is high, the pancreas produces an overload of insulin to bring the level under control. A high insulin level may lead to diabetes type2 and increase your fat deposition.

4. Why might fats be the cause of the obesity epidemic today? They might be harmful because it causes cardiovascular disease due to arteries blocked by plaque.

5. What types of fats are dangerous to our health? Any product made from refined grains, such as white bread, cake, and cookies

6. What type of fat is protective for cardiovascular disease? Unsaturated fats

7. Proteins provide the essential amino acids; why shouldn't they be eaten as an energy source? High saturated fats, such as red meat

8. What is the chief contribution of each of these in the body -- carbohydrates, proteins, fats, fruits, and vegetables? Carbohydrates, fats, proteins, fruits, and vegetables are the preferred energy source for the body.

9. In general, what does the USDA food pyramid tell you? Emphasizes food that should be eaten often and omits foods that should be eaten on a regular basis. Provides recommendation concerning the minimum quantity of foods in each group that should be eaten daily.

10. Name and describe four eating disorders. Anorexia nervosa- a severe psychological disorder characterized by an irrational fear of getting fat that results in the refusal to eat enough food to maintain a healthy body weight. Bulimia Nervosa- avoids gaining weight. Binge-eating disorder- a condition characterized by episodes of overeating that are not followed by purging. Muscle Dysmorphia- person thinks his or her body is underdeveloped.