Download obesity-quiz

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
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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
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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
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