Measures of obesity (Edexcel GCSE Biology Combined Science): Quizzes

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Measures of obesity
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What is the formula for calculating BMI?

mass (kg)(height (m))2\frac{\text{mass (kg)}}{\text{(height (m))}^2}

What BMI value indicates a person is underweight?

Below 18.5

What BMI range indicates a normal weight?

18.5-24.9

What BMI value indicates severe obesity?

Above 40

Why does a high fat/sugar diet with insufficient exercise increase BMI?

Energy intake exceeds use, stored as fat

Why is BMI unreliable for athletes?

Muscle weighs more than fat

What is the formula for waist-to-hip ratio?

Waist (cm)Hip (cm)\frac{\text{Waist (cm)}}{\text{Hip (cm)}}

What does a higher waist-to-hip ratio indicate?

More abdominal fat

According to WHO, what waist-to-hip ratio indicates obesity in women?

Above 0.85

What health risks are linked to high waist-to-hip ratio?

Heart disease and type 2 diabetes

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