Obesity
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Questions and Answers

What is the function of brown fat cells (BAT)?

  • Generating heat (correct)
  • Storing long-term energy
  • Cushioning the internal organs
  • Insulating the body

    • What percentage of the body mass of babies do brown fat cells constitute?

  • 20%
  • 5% (correct)
  • 15%
  • 10%

    • What is the primary function of white fat cells?

  • Cushioning the internal organs
  • Storing long-term energy (correct)
  • Insulating the body
  • Generating heat

    • What is the composition of each white fat cell in terms of fat percentage?

    <p>85%</p> Signup and view all the answers

    What is the endocrine function of white fat cells?

    <p>Leptin production</p> Signup and view all the answers

    What percentage of an average weight woman is composed of white fat cells?

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

    Where are white fat cells distributed more in men?

    <p>On the waist</p> Signup and view all the answers

    What is the aim of all forms of obesity measurement?

    <p>Estimate the proportion of a person’s body which is made of fat</p> Signup and view all the answers

    What is the formula to calculate BMI?

    <p>$weight (kg) / height (m)^2$</p> Signup and view all the answers

    For an average Australian man weighing 85 kg and 1.79 m tall, what is his BMI?

    <p>26.6</p> Signup and view all the answers

    What BMI range indicates moderate obesity?

    <p>30.0-34.9</p> Signup and view all the answers

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

    <p>Does not account for fat distribution</p> Signup and view all the answers

    What is another measure of body fat that involves measuring resistance to flow of electricity through the body?

    <p>Bioelectrical impedance</p> Signup and view all the answers

    What does a waist circumference of 94cm+ indicate for men?

    <p>Excess risk for heart disease and stroke</p> Signup and view all the answers

    What is a limitation of waist circumference as a measure of body fat?

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

    What is a limitation of bioelectrical impedance as a measure of body fat?

    <p>Very sensitive to hydration status of body</p> Signup and view all the answers

    What is the consensus regarding the current state of obesity?

    <p>We are in the midst of an obesity epidemic</p> Signup and view all the answers

    What does the CDC provide comprehensive data on?

    <p>Body weight</p> Signup and view all the answers

    What do telephone surveys consistently underestimate?

    <p>Levels of obesity and overweight</p> Signup and view all the answers

    What does the NHANES measure to indicate similar results to telephone surveys?

    <p>Measures people</p> Signup and view all the answers

    What is the formula to calculate BMI?

    <p>Weight (kg) $\div$ Height (m) $\times$ Height (m)</p> Signup and view all the answers

    What BMI range is considered 'normal' for adults?

    <p>18.5-24.9</p> Signup and view all the answers

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

    <p>Does not account for fat distribution</p> Signup and view all the answers

    What measure is good for estimating a separate risk factor for heart disease and stroke?

    <p>Waist circumference</p> Signup and view all the answers

    Which measure is very sensitive to the hydration status of the body?

    <p>Bioelectrical impedance</p> Signup and view all the answers

    What does a BMI above 30 indicate for adults?

    <p>Obese range</p> Signup and view all the answers

    What is a limitation of using skin fold thickness as a measure of body fat?

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

    What is a limitation of using waist circumference as a measure of body fat?

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

    What is the consensus about the current obesity epidemic?

    <p>Affecting men and women to a similar extent</p> Signup and view all the answers

    What do large scale studies rely upon using to assess body weight?

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

    What is a limitation of using telephone surveys to assess obesity levels?

    <p>Systematically underestimate levels of obesity and overweight</p> Signup and view all the answers

    What data do the CDC slides cover in relation to obesity?

    <p>BMI 30+</p> Signup and view all the answers

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