Appetite Week 8

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Questions and Answers

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

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

What percentage of the body mass do brown fat cells (BAT) constitute in babies for generating heat?

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

What is the primary function of white fat cells?

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

What percentage of each white fat cell is fat?

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

What is the distribution difference of white fat cells in men and women?

<p>More on hips/thighs in women and more on the waist in men (B)</p> Signup and view all the answers

What happens when the body is in positive energy balance?

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

What is the primary aim of all forms of obesity measurement?

<p>Estimate the proportion of a person's body made of fat (C)</p> Signup and view all the answers

What is the primary endocrine function of white fat cells?

<p>Producing insulin resistance (C)</p> Signup and view all the answers

What is the formula to calculate BMI?

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

For an average Australian man weighing 85 Kg and 1.79 M tall, what is their BMI?

<p>26.6 (D)</p> Signup and view all the answers

What does a BMI of 18.5-24.9 indicate?

<p>Normal range (C)</p> Signup and view all the answers

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

<p>Takes no account of fat distribution (A)</p> Signup and view all the answers

What is the formula to calculate waist circumference?

<p>Measure around stomach (or waist to hip ratio) (C)</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 (D)</p> Signup and view all the answers

What does bioelectrical impedance measure?

<p>Indirectly estimates % body fat (D)</p> Signup and view all the answers

What is a consequence of insulin resistance?

<p>Hyperglycemia (B)</p> Signup and view all the answers

What is the estimated direct health costs per year per person for obesity in Australia?

<p>$2788 (B)</p> Signup and view all the answers

What is the estimated direct healthcare costs for the obese in the US in 2012?

<p>210 Billion US$ (C)</p> Signup and view all the answers

What is the prevalence of overweight and obesity in Australia?

<p>67% overweight, 31% obese (B)</p> Signup and view all the answers

What is the most common type of diabetes related to body weight?

<p>Type II diabetes (C)</p> Signup and view all the answers

What is the direct consequence of obesity that causes Type II diabetes?

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

What is the BMI threshold at which the risk of getting Type II diabetes starts to rise linearly?

<p>22 (A)</p> Signup and view all the answers

What brings marked improvement in managing Type II diabetes?

<p>Modest loss of weight (A)</p> Signup and view all the answers

What is a chronic disease managed via diet, exercise, drugs, and insulin treatment?

<p>Type II diabetes (B)</p> Signup and view all the answers

What increases the chance of a fatal heart attack in an obese person?

<p>Abnormal blood clotting (B)</p> Signup and view all the answers

What percentage of endometrial cancers can be attributed to obesity?

<p>49% (C)</p> Signup and view all the answers

What medical condition leads to temporary stoppage of breathing when sleeping?

<p>Sleep apnoea (B)</p> Signup and view all the answers

What are obese children viewed as by their peers, according to the text?

<p>More lazy, dirty, stupid, ugly, and dishonest (A)</p> Signup and view all the answers

What are the psychosocial effects of obesity like for adolescents, according to longitudinal studies?

<p>Reveal poorer educational and social outcomes (B)</p> Signup and view all the answers

What are obese adults less likely to do, according to the text?

<p>Marry (D)</p> Signup and view all the answers

What has been increasing for the last 50 years, especially in developed nations?

<p>Proportion of people who are overweight and obese (D)</p> Signup and view all the answers

What is accompanied by significant medical complications imposing major social and financial costs upon society?

<p>Increase in overweight and obesity (D)</p> Signup and view all the answers

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