WHO defines overweight as BMI greater than or equal to ____.

Question

BlackTom AI · Accepted Answer

To determine which BMI threshold defines overweight according to WHO, let's examine the common BMI categories and what each option implies.
Option a: 15. A BMI of 15 is far below normal ranges and would be categorized as severe underweight in standard classifications; it does not define overweight.
Option b: 20. A BMI of 20 falls within the normal weight range (approximately 18.5 to 24.9) and is not used to define overweight. Selecting 20 would misclassify many individuals who are overweight as normal weight.
Option c: 25. A BMI of 25 is the conventional cutoff used to label someone as overweight (BMI ≥ 25 is overweight; BMI ≥ 30 is obesity). This threshold aligns with WHO guidelines and is the recognized benchmark for overweight.
Option d: 30. A BMI of 30 marks the threshold for obesity, not overweight. While it indicates a higher level of weight-related risk, it is not the cutoff used to define overweight itself.
In summary, the concept of overweight is tied to the BMI value of 25 as the lower bound separating normal weight from overweight, while 30 marks obesity. The other options correspond to underweight, normal weight, or obesity cutoffs rather than overweight.

WHO defines overweight as BMI greater than or equal to ____.单项选择题

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