Week 8
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Questions and Answers

What is the formula to calculate BMI?

  • Weight (in lbs) $\div$ Height$^2$ (in inches)
  • Weight (in lbs) $\times$ Height (in inches)
  • Weight (in kg) $\times$ Height (in m)
  • Weight (in kg) $\div$ Height$^2$ (in m) (correct)

    • What is the BMI of an average Australian man weighing 85 kg and 1.79 m tall?

  • 29.3
  • 26.6 (correct)
  • 31.1
  • 24.9

    • What BMI range is considered 'normal' for adults?

  • 18.5-24.9 (correct)
  • 30.0+
  • 25.0-29.9
  • Below 18.5

    • What is a limitation of BMI as a measure of body fat?

    <p>It takes no account of fat distribution</p> Signup and view all the answers

    What is the main limitation of using skin fold thickness measurement with calipers?

    <p>It does not provide a measure of general adiposity</p> Signup and view all the answers

    What does waist circumference measurement help estimate?

    <p>A separate risk factor for heart disease and stroke</p> Signup and view all the answers

    What does bioelectrical impedance measure?

    <p>Percentage of body fat</p> Signup and view all the answers

    What is a consequence of insulin resistance?

    <p>Hyperglycemia</p> Signup and view all the answers

    What is the estimated number of diabetics in the US in 2015?

    <p>20M</p> Signup and view all the answers

    What is the most comprehensive source of data on body weight in the USA?

    <p>CDC's Behavioral Risk Factor Surveillance System (BRFS)</p> Signup and view all the answers

    What is the primary cause of Type II diabetes according to the text?

    <p>Excess weight gain</p> Signup and view all the answers

    What is the recommended management approach for Type II diabetes?

    <p>Diet and exercise</p> Signup and view all the answers

    What is the effect of obesity on heart disease risk?

    <p>3 fold increased chance of a fatal heart attack</p> Signup and view all the answers

    What is the impact of obesity on cancer mortality?

    <p>23% more likely to die from cancer</p> Signup and view all the answers

    What are the effects of obesity on psychosocial well-being, based on the text?

    <p>Increased likelihood of anxiety and depression</p> Signup and view all the answers

    How does obesity affect the likelihood of marriage, based on the text?

    <p>Less likely to marry</p> Signup and view all the answers

    What are the implications of obesity on cancer incidence?

    <p>Increased risk for certain types of cancers</p> Signup and view all the answers

    How does obesity impact the risk of sleep apnoea?

    <p>Elevated risk of heart failure due to breathing stoppage</p> Signup and view all the answers

    What is the function of white fat cells?

    <p>Insulate the body, cushion internal organs, and form long-term energy store</p> Signup and view all the answers

    What is the effect of obesity on the risk of osteoarthritis?

    <p>Increased risk of degenerative joint diseases</p> Signup and view all the answers

    What is the proportion of a person's body which is estimated in all forms of obesity measurement?

    <p>Proportion of body made of fat</p> Signup and view all the answers

    What is the primary cause of microvascular disease in poorly managed Type II diabetes?

    <p>Increased blood sugar resulting in less permeable small blood vessels</p> Signup and view all the answers

    What happens when the body ingests more energy than it uses?

    <p>Excess energy is turned into fat and stored in white fat cells</p> Signup and view all the answers

    What is the composition of white fat cells in an average weight woman?

    <p>Around 20%</p> Signup and view all the answers

    What is the role of brown fat cells in obesity?

    <p>They are not directly implicated in obesity</p> Signup and view all the answers

    What is the role of white fat cells in the body's energy balance?

    <p>Store excess energy as fat when energy intake exceeds expenditure</p> Signup and view all the answers

    Where are white fat cells distributed in different ways in men and women?

    <p>Women more on hips/thighs and men more on the waist</p> Signup and view all the answers

    What is the main difference between brown fat cells and white fat cells?

    <p>Brown fat cells generate heat, while white fat cells serve as long-term energy store</p> Signup and view all the answers

    What is the endocrine function of white fat cells?

    <p>Serve an important endocrine function</p> Signup and view all the answers

    What represents roughly 1 month's store of energy in an average weight woman?

    <p>Around 20% of white fat cells</p> Signup and view all the answers

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