The esophagus commences at the following level________________?
Correct answer: A. Lower end of cricoid
- A. Lower end of cricoid
- B. C5 vertebra
- C. 10 cm from incisor teeth
- D. C7
Explanation
The oesophagus begins at the lower border of the cricoid cartilage, approximately opposite the C6 vertebra. This is also the level of the pharyngoesophageal junction and the cricopharyngeus muscle.
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