Afn2301:Nutritional Epidemiology Question Paper
Afn2301:Nutritional Epidemiology
Course:Bachelor Of Science In Food Science And Nutrition
Institution: Meru University Of Science And Technology question papers
Exam Year:2014
QUESTION ONE – (30 MARKS)
(a) Define the following terms: (i) Sedentary behavior (ii) Physical activity level (PAL) (iii) Relative weight (iv) Lean body mass (v) Multivariate adjustment for height (5 Marks) (b) Differentiate between physical fitness and physical activity. (5 Marks) (c) Differentiate between random and systematic errors. (5 Marks) (d) Briefly describe densitometry. (5 Marks) (e) Briefly discus the reproducibility and validity of weight and height measurements. (5 Marks) (f) Briefly explain how weight and height are related to the nutritional status. (5 Marks)
QUESTION TWO – (20 MARKS)
(a) State the reasons why total energy intake deserves special consideration in nutritional epidemiology. (4 Marks) (b) State and describe the determinants of between person variation in total energy intake. (6 Marks) (c) Discuss the adjustment for energy intake in epidemiologic analyses. (10 Marks)
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QUESTION THREE – (20 MARKS)
(a) Discuss the importance and nature of variation in diet in relation to nutritional epidemiology. (10 Marks) (b) Discuss the effects of random within person variation on measures of association in epidemiologic studies. (10 Marks)
QUESTION FOUR – (20 MARKS)
(a) Briefly discuss self-reported weight and height. (5 Marks) (b) State and discuss the analytic issues in the assessment of physical activity. (15 Marks)
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