Obesity and Appetite Quiz

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Questions and Answers

What is the main aim of the lecture on obesity and appetite?

  • To outline what obesity is, how it is measured, and its prevalence (correct)
  • To examine the medical and financial costs of obesity
  • To describe the distribution of white fat cells in men and women
  • To discuss the functions of white fat cells and brown fat cells

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

  • Insulate the body
  • Generate heat (correct)
  • Store long-term energy
  • Form the bodies long-term energy store

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

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

What is the main function of white fat cells?

<p>Insulate the body and cushion internal organs (A)</p> Signup and view all the answers

What percentage of each white fat cell is fat?

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

What is the main endocrine function of white fat cells?

<p>Produce leptin and resistin (A)</p> Signup and view all the answers

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

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

Where are white fat cells distributed in women and men?

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

What happens when we ingest more energy than we use?

<p>We are in positive energy balance and start to turn the excess energy into fat (D)</p> Signup and view all the answers

What is the aim of all forms of obesity measurement?

<p>To estimate the proportion of a person’s body which is made of fat (A)</p> Signup and view all the answers

What is the formula to calculate BMI?

<p>Weight (kg) / (Height (m))^2 (B)</p> Signup and view all the answers

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

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

What does a BMI of 18.5-24.9 indicate?

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

What are the cons of using BMI as a measure of body fat?

<p>All of the above (D)</p> Signup and view all the answers

What does waist circumference measurement help estimate?

<p>Risk factor for heart disease and stroke (B)</p> Signup and view all the answers

What does bioelectrical impedance measure?

<p>Body fat percentage (C)</p> Signup and view all the answers

What does the CDC provide comprehensive data on?

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

What do the CDC slides show regarding obesity?

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

What do telephone surveys consistently underestimate?

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

What is the effect of the epidemic on men and women?

<p>Affects both equally (D)</p> Signup and view all the answers

What is the most commonly used measure in large scale studies?

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

What is the consensus regarding the prevalence of obesity?

<p>It is increasing (B)</p> Signup and view all the answers

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