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
Extra palatal root when present on mesial side its known as 
Select and explain. 
A. Radix mesiopalatalis, B. Radix mesialis, C. Radix mesiolingualis, D. None of the above
C: Radix mesiolingualis
Answer: C: Radix mesiolingualis 
Explanation: None