B1 Specimen (set 1) - Q2 Answers
Questions
2) The ratio of waist-to-hip measurements can be used to determine the risk of a person developing cardiovascular disease.
(a) Calculate the waist-to-hip ratio for a person with a waist measurement of 830mm and a hip measurement of 0.99m. Give your answer to two decimal places. [2 marks]
(b) Dieting can reduce the effects of cardiovascular disease. (i) Which statement gives a reason why dieting can be used to reduce weight in obese people? [1 mark]
2) The ratio of waist-to-hip measurements can be used to determine the risk of a person developing cardiovascular disease.
(a) Calculate the waist-to-hip ratio for a person with a waist measurement of 830mm and a hip measurement of 0.99m. Give your answer to two decimal places. [2 marks]
(b) Dieting can reduce the effects of cardiovascular disease. (i) Which statement gives a reason why dieting can be used to reduce weight in obese people? [1 mark]
(ii) A scientist is planning to test a new diet for weight loss.
She selects 40 obese people to take part in the test.
All the obese people are between 20 and 30 years of age.
State two other factors the scientist should control when selecting the people. [2 marks]
(iii) Devise a plan the scientist could use to test the effectiveness of the new diet using the 40 obese people. [3 marks]
(Total for Question 2 = 8 marks)
She selects 40 obese people to take part in the test.
All the obese people are between 20 and 30 years of age.
State two other factors the scientist should control when selecting the people. [2 marks]
(iii) Devise a plan the scientist could use to test the effectiveness of the new diet using the 40 obese people. [3 marks]
(Total for Question 2 = 8 marks)