ࡱ> XZW Xbjbj̚̚ 2TX N N 2222F2 22222   $ & & & & & & ,[" %xR      R q22g qqq 22$ q $ qq`M7M{ } 0 ,%q%q(   R R q    %         N :   IB Biology Name _____________________________ BMI/Lipids Data Analysis Period ____ Date __________________ Body Mass Index The body mass index, usually abbreviated to BMI, was developed by a Belgian statistician, Adolphe Quelet. It is used to access whether a persons body mass is at a healthy level, or is too high or too low. BMI is calculated using this formula: BMI = mass in kilograms Units for BMI are kg m-2 (height in meters)2 BMIStatusBelow 18.5underweight18.5-24.9normal weight25.0-29.9overweight30.0 or moreobese Calculate the BMI of a person with a mass of 72.0 kg and a height of 173.5 cm. How would you classify this person? [3] WHO reports that adult BMI levels are 22-23 kg m-2 in Africa and Asia, whereas levels of 25-27 kg m-2 are prevalent across North America, Europe and parts of Latin America. Suggest three clearly different reasons for the difference in BMI between these regions. [3] In the US the percentage of obese children aged 12-19 has increased from 6.1 percent in 1971-74 to 18.4 percent in 2009-10 according to the American Heart Association. Suggest three clearly different reasons for increasing rates of obesity among children in the US. [3] Anorexia is defined as an eating disorder characterized by markedly reduced appetite or total aversion to food. Someone who has anorexia nervosa becomes chronically underweight because they do not eat enough food, even though plenty is available. Describe three physiological consequences of anorexia nervosa. (See page 666 in Oxford IB Bio textbook.) [3] Define non-essential in terms of amino acids and human nutrition. [1] Saturated Fats and Coronary Heart Disease Populations ranked by % calories as saturated fat% Calories as Saturated FatDeath rate /100,000 yrs-16a) Plot a scattergraph of the data using LoggerPro. [4] b) Outline the trends shown by the scattergraph in the annotation. [2] 7) Compare and contrast the results for: a) East and West Finland; [2] b) Crete and Montegiorgio. [2] CHDAll causesE. Finland229921727W. Finland193511318Zutphen194201175USA185741088Slavonia142141477Belgrade12288509Crevalcor102481241Zrenjanin101521101Dalmatia986758Crete99543Montegiorgio91501080Velika9801078Rome82901027Corfu7144764Ushibuka3661248Tanushimaru3881006 8) Evaluate the evidence from this survey for saturated fats as a cause of coronary heart disease. [3] Adapted from Biology Course Companion by Andrew Allott and David Mindorff (2007) and Allott, Andrew, and David Mindorff. Biology Course Companion. 2014 ed. Oxford: Oxford UP, 2014. 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