Social & Preventive Medicine WHO defines BMI of the malnourished as: March 2008 A Below 18 kg/m2 B Below 18.5 kg/m2 C Below 19 kg/m2 D below 19.5 kg/m2 💡 Explanation WHO defines BMI of the malnourished as: March 2008 ✓ Correct Answer: B. Below 18.5 kg/m2