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: Anatomy
The thoracic duct crosses from the right to the left at the level of 
Select and explain. 
A. T12 veebra, B. T 6 veebra, C. T4 veebra, D. T2 veebra
C: T4 veebra
Answer: C: T4 veebra 
Explanation: C i.e. T4 veebrae