NUTR 611 Exam 2.2

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emmayarewhy
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187077
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NUTR 611 Exam 2.2
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2012-12-04 15:34:24
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  1. What is obesity caused by? Remember monozygotic twin study. 
    Long-term positive enegy balance (3500 kcal per pound). Remember monozygotic twin study. 
  2. What are the components of energy expenditure? (4) Which is most modifiable?
    • 1. Physical activity
    • 2. Growth
    • 3. Thermogenesis
    • 4. Basal metabolism
  3. What are physical activity requirements for preschoolers? (3) 60 rule 
    • 1. at least 60 min of structured physical activity. 
    • 2. should engage in at least 60 minutes of unstructured physical activity
    • 3. should not be sedentary for mor ethan 60 min at a time. 
  4. Why is there such an emphasis on calorie balance?  2

    How many calories should a 1-3 y.o get? 4-18 y.o?
    Obesity is increasing and easier to prevent weight gain than to lose weight/maintain weigh tloss. 

    1000-1200. 1200-2000
  5. How much weight loss % results in health improvements? What improvements are these? (3)

    What % of fat loss leads to health improvements? What improvements? (5)

    Which is more important for kids: weight maintenance or loss?
    5-10% --> improvements in cholesterol, BP, blood sugar. 

    4% fat loss - decreased total cholesterol and triglycerides, increased HDL, decreased BP

    WEIGHT MAINTENANCE - kids can grow into their weight. 
  6. What are benefits of regular physical activity?  (5 big ones) What else? (4)
    • six big ones:
    • - reduces risk of: (1) premature death (2) dying of heart disease (3) diabetes (4) high blood pressure (5) colon cancer


    Helps control weight, reduces feelings of depression/anxiety, maintains healthy bones, muscles, joints, helps control weight. 
  7. What are factors that contribute to early development of eating habits? (4)
    • 1. Genetic predisposition
    • 2. Learned associations (flavors & affter affects of eating)
    • 3. Predisposition to reject new foods
    • 4. Pressure from eating!
  8. What are the effects of strict parents pressure on food? (6)
    • 1. Preference for high fat/junk foods (restricted foods).
    • 2. When pressuring to eat more veggies, veggie consumption  & micronutrient intake decreased
    • 3. Disruption of child's natural internal cues (hunger, satiety)
    • 4. Overeating and negative emotions about overeating
    • 5. Increased attention to external cues (time of day, plate size, etc).  

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