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
Milk teeth total number in human being 
Select and explain. 
A. 20, B. 28, C. 32, D. 24
A: 20
Answer: A: 20 
Explanation: Milk teeth: Dental formula in children is 2,1,0,2. That is in one half of each jaw 2 incisors 1 canine 0 premolars 2 molars As there are 4 half's , 5x4= 20. There are 20 milk teeth. Ref : Ghai ,9th edition, chapter 2