Esophagus stas at the level of: (A) Upper border of cricoid cailage, (B) Lower border of cricoid cailage, (C) Thyroid cailage, (D) Hyoid cailage
Answer is B. Esophagus begins in neck at lower border of cricoid cailage. BD CHAURASIA&;S HUMAN ANATOMY.VOLUME 1. 6TH EDITION.PAGE NO 282