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
All of the following conditions are true regarding false positive results on EPT testing except? 
Select and explain. 
A. Immature apex, B. Improper Isolation, C. Partial Pulpal Necrosis, D. Anxiety
A: Immature apex
Answer: A: Immature apex 
Explanation: None