010-111 · Question #134
What is considered a normal Body Mass Index (BMI) range?
The correct answer is B. 18.5 to 24.9 BMI. The World Health Organization and CDC define a normal or healthy BMI as falling between 18.5 and 24.9, with values outside this range indicating underweight, overweight, or obesity.
Question
What is considered a normal Body Mass Index (BMI) range?
Options
- A14.5 to 20.9 BMI
- B18.5 to 24.9 BMI
- C16.5 to 23.5 BMI
- D19 to 27.5 BMI
How the community answered
(38 responses)- A8% (3)
- B74% (28)
- C13% (5)
- D5% (2)
Why each option
The World Health Organization and CDC define a normal or healthy BMI as falling between 18.5 and 24.9, with values outside this range indicating underweight, overweight, or obesity.
A range of 14.5 to 20.9 includes BMI values well below 18.5, which fall in the underweight classification and do not represent the normal healthy range.
The WHO and CDC classify a BMI of 18.5 to 24.9 as the normal healthy weight range for adults. Values below 18.5 are considered underweight, while a BMI of 25.0 or above indicates overweight or obesity. This range is the global standard used for population-level weight status screening.
A range of 16.5 to 23.5 starts in the underweight territory and does not match the established WHO/CDC normal BMI boundaries.
A range of 19 to 27.5 extends above 25.0, which crosses into the overweight classification and therefore does not represent a purely normal BMI range.
Concept tested: Normal BMI range classification per WHO/CDC
Source: https://www.cdc.gov/healthyweight/assessing/bmi/adult_bmi/index.html
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