<prompt> Which of the following is the First vein ligated during thyroidectomy?Superior thyroid veinMiddle thyroid veinInferior thyroid veinThyroid ima vein  <response>: Middle thyroid vein present only in 30 - 35 individuall. and it is the first vein ligated during thyroidectomy. note : Thyroid ima is direct pranch from arch of anrta supplying thyroid gland which is present in some individuale. 