This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition, Subject name: Pediatrics
Which of the following is the best indicator for long-term nutritional status? 
Select and explain. 
A. Mid-arm circumference, B. Height for age, C. Weight for age, D. Weight for height
B: Height for age
Answer: B: Height for age 
Explanation: Height for age is the best indicator for long-term nutritional status (chronic malnutrition) Weight for age is the most commonly used index, but it doesnot differentiate between wasting and stunting. Hence, it has limited clinical significance A low weight-for-height, or wasting, indicates acute malnutrition Ref: Nelson textbook of pediatrics 21st edition Pgno: 333