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
Which type of fear is the most usually difficult to
overcome? 
Select and explain. 
A. Long standing objective fears, B. Long standing subjective fears, C. Short term objective fears, D. Short term subjective fears
B: Long standing subjective fears
Answer: B: Long standing subjective fears 
Explanation: None