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Transcript
Weight Management Course Dr A Blazos, 15/1/2001 Obesity Quiz 1. The relative risk of mortality from obesity significantly increases at a BMI of 27 in Caucasian populations. True False 2. In Asian populations the relative risk of mortality from obesity significantly increases at BMIs between 23-25. True False 3. Thin people are always healthier than overweight people. True False 4. The average Australian consumes about 70-100 grams of hidden fat in processed and fast foods (high in saturated and trans fats) rather than as more desirable oils and margarines added to home cooked meals. True False 5. Hydrogenated vegetable shortening used by the food industry can contain more saturated and trans fats than beef tallow. True False 6. There is emerging evidence that high saturated fat tropical milks/cream/oil (eg coconut milk) may not be adverse to health if consumed in traditional Asian/Pacific meals with fish and plant foods. True False 7. If you are consuming a 2000 kcal diet, the recommended fat intake is 50g which is equivalent to about 2-3 tablespoons of oil/margarine daily, assuming there are no other hidden fats in your diet. True False 8. The causes of obesity are often multi factorial and may include chemical pollutants, psychosocial stress and inadequate sleep. True False 9. The dietary aetiology of obesity includes eating too much saturated fat, calories, alcohol and too many energy dense foods. True False 10. The physical activity aetiology of obesity includes a sedentary job, lack of incidental and planned movement. True False 1 Weight Management Course Dr A Blazos, 15/1/2001 11. Swimming and cycling are better than walking for body fat loss. True False 12. Other significant causes of obesity include genetic predisposition and yo-yo dieting which can improve the body's ability to store fat by doubling lipogenic storage enzymes and reducing lipolytic enzymes. True False 13. Overweight patients who are pear shaped are at greater risk of developing cardiovascular disease than normal weight patients who are apple shaped. True False 14. Visceral fat is more harmful than subcutaneous fat because it is metabolically more active. True False 15. Abdominal circumference is a better indicator of health risks than BMI and waist to hip ratio. True False 16. The Basal metabolic rate accounts for around 70% of total energy expenditure mainly due to total lean mass. Therefore preserving muscle mass with exercise should help maintain a high basal metabolic rate and assist weight loss. True False 17. Pharmacological treatment is commonly used where a person’s BMI is over 30, or lower if risk factors for cardiovascular disease are present. True False 18. Studies have shown that energy restriction without exercise results in both loss of fat and lean mass. True False 19. Studies have shown that fat loss can only be achieved with regular long sessions of walking (e.g. 40 minute sessions) as opposed to several short daily sessions (e.g. 4 lots of 10 minutes). True False 20. It is difficult to consume a nutritionally adequate diet on less than 1200 kcal per day. True False 2 Weight Management Course Dr A Blazos, 15/1/2001 21. There is some evidence that stomach capacity can increase with repeated ingestion of large meals. True False 22. When trying to lose weight, around 40 grams or 2 table spoons of fat can be consumed on a 1200 kcal diet as long as it is unrefined unsaturated fat combined with plant foods. True False 23. Saturated fat is more likely to go into and stay in fat cells than unsaturated fats. True False 24. For the non-athlete trying to lose body fat it is better to exercise before breakfast and not eat immediately after exercise. True False 25. Most people do not move enough, averaging about 4000 steps per day. Increasing to 10,000 steps (measured with a pedometer) can increase visceral fat loss. True False 3