2nd constriction in oesophagus is seen at the following site: – McqOptions

MCQOPTIONS

1.	2nd constriction in oesophagus is seen at the following site:
A.	Crossing of aorta
B.	Where it crosses left main bronchus
C.	Where it pierces the diaphragm
D.	At pharyngoesophageal junction
Answer» B. Where it crosses left main bronchus

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