UIowa Nutrition & Health Final Exam|| 80 QUESTIONS|| CORRECT SOLUTIONS(100% VERIFIED)
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Course
UIowa Nutrition & Health
Institution
UIowa Nutrition & Health
How to calculate BMI - ANSWER weight (kg)/ height (m^2)
Limitations of the BMI - ANSWER not a direct measurement of body composition and it fails to show the location of excess fat
Cut offs for the BMI - ANSWER Underweight: <18.5
Normal: 18.5-24.9
Overweight: 25-29.9
Obese: > 30
C...
UIowa Nutrition & Health Final Exam|| 80
QUESTIONS|| CORRECT SOLUTIONS(100% VERIFIED)
How to calculate BMI - ANSWER weight (kg)/ height (m^2)
Limitations of the BMI - ANSWER not a direct measurement of body composition and it fails to show the
location of excess fat
Cut offs for the BMI - ANSWER Underweight: <18.5
Normal: 18.5-24.9
Overweight: 25-29.9
Obese: > 30
Cut offs for obesity in men - ANSWER >22% body fat (25% in men over the age of 40)
Cuts offs for obesity in women - ANSWER >32% body fat (35% in women over age 40)
Cut points for waist circumference: What are they? What do they tell us? - ANSWER Men: 40 inches
Women: 35 inches
Disease risk increases above these points, tells us whether or not excess body fat is located in the central
region
Etiological (the study of causation) factors for obesity - ANSWER Heredity and environment (40%
genetics, 60% environment)
An example of obesity from heredity and the environment - ANSWER Pima Indians in Mexica vs Arizona,
unnatural causes and cultural loss was damaging
Energy intake - ANSWER Estimated energy requirements established by dietary reference intake
committee based on gender, age, physical activity, height, and weight
, Energy expenditure - ANSWER Estimated energy expenditure - effected by age, height, growth, body
composition, stress, fasting, and thyroxin (thyroid hormone)
50-65% BMR (basal metabolic rate)
5-10% thermic effect of food
25-50% physical activity
Health benefits of weight loss - ANSWER Improves cardiovascular function, reduces dyslipidemia
(abnormally elevated cholesterol or fats in the blood), increases HDL, lowers blood pressure, lowers
mortality rate
Anorexia Nervosa - ANSWER Intense fear of gaining weight, food restriction, refusal to maintain weight
at a minimally healthy level
Bulimia Nervosa - ANSWER Binge and purge cycle followed by compensatory behavior such as vomiting,
using laxatives, and compulsively exercising to ensure weight is not gain
Binge eating disorder - ANSWER Aka: compulsive eating; increasingly more common, eat uncontrollably
and have feelings of guilt or shame but unable to stop
Causes of eating disorders - ANSWER 1. Psychological factors
2. Interpersonal factors
3. Social factors
Examples of psychological factors that lead to ED - ANSWER Low self esteem, feelings of lack of control,
depression, anxiety, anger, loneliness
Examples of interpersonal factors that lead to ED - ANSWER Troubled relationships, emotional
suppression, history of being teased about weight, history of physical or emotional abuse
Examples of social factors that lead to ED - ANSWER Perfect body pressure, definitions of beauty, media
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