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| Q. |
Which is not true of the oesophagus? |
| A. | There is usually a constriction at 27cm from the lips, where the left main bronchus crosses |
| B. | Crosses in front of the descending aorta |
| C. | Upper part drains into the azygos vein |
| D. | Begins at the level of C6 vertebra |
| E. | Receives nerve supply from the recurrent laryngeal nerve |
| Answer» C. Upper part drains into the azygos vein | |
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