Body mass index is based on the concept that:Multiple choice question.one's weight should be proportional to one's heightexercise cannot improve one's overall physical fitnessheight and weight do not need to be proportional in a healthy personobesity prevents people from developing illnesses

A person whose weight is above the recommended range for good health is considered:Multiple choice question.to have a body mass indexoverweightto have a lower risk of health problemsprematurely fat

Body Mass Index (BMI) is a way of finding out if a person’s body mass falls within a healthy range for their height. Table 1 shows information about two people.Table 1 Person Body mass in kg Height in m BMI in kg/m 2 A631.6523.1 B921.71X The graph below shows five BMI categories for adults. 1. Page 2 of 19(a) Which is the BMI category of person A in Table 1? Tick (✓ ✓ ✓ ✓) one box.Clinically obese Normal Obese Overweight Underweight (1) (b) Calculate value X in Table 1. Use the equation: Give your answer to 3 significant figures. ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ X = _______________ kg/m 2 (3) Page 3 of 19Scientists think there is a link between BMI and life expectancy. Table 2 shows information about predicted life expectancy of men after the age of 50.Table 2 BMI Category Predicted number of years living in good health after the age of 50 Predicted number of years living in bad health after the age of 50 Normal19.064.98 Overweight18.685.32 Obese16.377.08 Clinically obese13.0710.10 (c) Describe two patterns shown in Table 2 about the effects of BMI category. 1 ________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ 2 ________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ (2) The number of people who are obese in the UK is increasing. (d) Explain the financial impact on the UK economy of an increasing number of people who are obese. ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ (2) Page 4 of 19(e) A person who is obese is more at risk of arthritis. Arthritis is a condition that damages joints. Suggest how arthritis could affect a person’s lifestyle. ___________________________________________________________________ ___________________________________________________________________ (1) (f) A person who eats a diet high in saturated fat might become obese. Name two health conditions that might develop if a person eats a diet high in saturated fat. Do not refer to arthritis in your answer. 1 ________________________________________________________________ 2 ________________________________________________________________

The body mass index could be an inaccurate method of assessing body composition for some individuals because it:Multiple choice question.does not distinguish between fat weight and fat-free weightsubmerges people in water to see if their body fat will make them floatdistinguishes between men and womenmeasures the water weight and adipose tissue in people

BMI or body mass index is a health tool used to assess potential health risks from body weight.TrueFalseQuestion 1

Body Mass Index, BMI, is often criticised as a measure of body composition, why?Group of answer choicesindividuals differ in their muscle mass and this is not accounted for by BMI.tall people always have a low BMI.it does not measure waist size.it is difficult to accurately calculate BMI.