Week 8

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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?

It takes no account of fat distribution Signup and view all the answers

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

It does not provide a measure of general adiposity Signup and view all the answers

What does waist circumference measurement help estimate?

A separate risk factor for heart disease and stroke Signup and view all the answers

What does bioelectrical impedance measure?

Percentage of body fat Signup and view all the answers

What is a consequence of insulin resistance?

Hyperglycemia Signup and view all the answers

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

20M Signup and view all the answers

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

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

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

Excess weight gain Signup and view all the answers

What is the recommended management approach for Type II diabetes?

Diet and exercise Signup and view all the answers

What is the effect of obesity on heart disease risk?

3 fold increased chance of a fatal heart attack Signup and view all the answers

What is the impact of obesity on cancer mortality?

23% more likely to die from cancer Signup and view all the answers

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

Increased likelihood of anxiety and depression Signup and view all the answers

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

Less likely to marry Signup and view all the answers

What are the implications of obesity on cancer incidence?

Increased risk for certain types of cancers Signup and view all the answers

How does obesity impact the risk of sleep apnoea?

Elevated risk of heart failure due to breathing stoppage Signup and view all the answers

What is the function of white fat cells?

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

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

Increased risk of degenerative joint diseases Signup and view all the answers

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

Proportion of body made of fat Signup and view all the answers

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

Increased blood sugar resulting in less permeable small blood vessels Signup and view all the answers

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

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

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

Around 20% Signup and view all the answers

What is the role of brown fat cells in obesity?

They are not directly implicated in obesity Signup and view all the answers

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

Store excess energy as fat when energy intake exceeds expenditure Signup and view all the answers

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

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

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

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

What is the endocrine function of white fat cells?

Serve an important endocrine function Signup and view all the answers

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

Around 20% of white fat cells Signup and view all the answers