This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Postnatally when is the growth velocity maximum 
Select and explain. 
A. In the first year of life, B. In the second year of life, C. In the seventh year of life, D. In adolescence
A: In the first year of life
Answer: A: In the first year of life 
Explanation: Postnatally there are 2 periods of accelerated growth, they are: 1st yr of growth Growth spu during pubey Ref: Nelson's, 20th edition, Page-84