<prompt> Sternocleidomastoid is supplied by all of thefollowing aeries except?OccipitalPosterior auricularThyrocervical trunkSuperior thyroid  <response>: Posterior auricular According to the aicle-The Blood Supply of the Sternocleidomastoid Muscle and Its Clinical Implications Antonius Kierner, MD; Main Aigner, MD; Inngard Zelenka, MD; Gunther Riedl; Main Burian, MD Upper third - supplied by branches of the occipital aeryMiddle third - supplied by branch of the superior thyroid aery 42, the external carotid aery 23,or branches of both 27Lower third - supplied by a branch arising from the suprascapular aery According to Grays Anatomy 40e p441 upper third is supplied by both the occipital aery and posterior auricular aery; middle third by superior thryroid aery and the lower third by the suprascapular aery. 