MCQOPTIONS
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				| 1. | 
                                    Which is NOT located at the level of the lower border of T4 vertebra? | 
                            
| A. | the most superior part of the arch of the aorta | 
| B. | azygous vein enters the superior vena cava | 
| C. | thoracic duct reaches the left side of the oesophagus as it ascends | 
| D. | ligamentum arteriosum | 
| E. | superficial and deep parts of the cardiac plexus | 
| Answer» B. azygous vein enters the superior vena cava | |