obesity

What is the worldwide prevalence of obesity?

• a) 11 %

• b) 13 %

• c) 15 %

• d) 39 %

What is the definition of overweight?

• a) BMI > 25 kg/m2

• b) BMI = 25 kg/m2

• c) BMI 25-29.9 kg/m2

• d) BMI 25-30 kg/m2

What are the main causes of the obesity epidemic?

• a) Increased energy quantity/density and a more sedentary life-style

• b) Decreased leisure time activity

• c) Changes in genetic profiles

• d) None of the options given is correct

Which of the following diseases does obesity increase the risk of developing?

• a) Type 2 diabetes

• b) Cancer

• c) Cardiovascular disease

• d) All of the options given are correct

What is the energy need of a sedentary 43-year old woman who weighs 63 kg?

• a) 1250 kcal/day

• b) 1350 kcal/day

• c) 1525 kcal/day

• d) 1800 kcal/day

Why were low-carbohydrate diets not recommended previously?

• a) Due to less weight loss efficacy

• b) Due to low adherence to the diet

• c) Due to the high protein content of the diet

• d) Due to possible cardiovascular side-effects

What type of diet is recommended for weight maintenance?

• a) Low protein and low GI

• b) High protein and high GI

• c) Low protein and high GI

• d) High protein and low GI

Bariatric surgery is used for obesity treatment but how much is the incidence of type 2 diabetes reduced in obese individuals after surgery?

• a) 80-90%

• b) No reduction in the incidence

• c) Approximately 50 %

• d) None of the options given is correct

Which of the mechanisms below can explain why high protein diets are optimal for weight loss and weight maintenance?

• a) Synergistic effect of GLP-1 and PYY on the appetite centres in the brain

• b) Preservation of lean body mass

• c) A higher thermic effect of protein than carbohydrates and fats

• d) All of the options above