This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
Resolution of IOPA radiograph is? 
Select and explain. 
A. 16 lp, B. 22 lp, C. 30 lp, D. 10 lp
A: 16 lp
Answer: A: 16 lp 
Explanation: None