This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Growth and Development, Subject name: Social & Preventive Medicine
Weight by height is normal for a child but he is low height by age. He is:- 
Select and explain. 
A. Waste, B. Stunted, C. Wasted and stunted, D. None
B: Stunted
Answer: B: Stunted 
Explanation: Low height for age: Stunting / Dwarfism (Chronic PEM) Low weight for height: Wasting / Emaciation (Acute PEM) Low weight for age: Underweight.(Acute on chronic PEM)