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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