<prompt> What is the blood supply of the cervical esophagus ?Inferior thyroid aerySuperior thyroid aeryBronchial aeryExternal carotid aery  <response>: Bronchial aeries supply the thoracic pa of esophagus. Inferior thyroid aery provides primary aerial flow to the cervical esophagus, and subclan aery, main carotid aery, veebral aeries, ascendant pharyngeal aery, superficial cervical aery, and costocervical trunk are other aerial blood flow providers to cervical esophagus Reference: Clinical anatomy for students a problem-solving approach, Neeat v Kulkarni, 2nd edition, page no.288 