Anatomy Derivative of 3rd pharyngeal arch A Hyoid aery B On left , aoic arch; on right, proximal pa of right subclan aery C Common Carotid aery and proximal pa of internal carotid aery D Proximal pa of pulmonary aeries and (on the left only) ductus aeriosus π‘ Explanation Derivative of 3rd pharyngeal arch β Correct Answer: C. Common Carotid aery and proximal pa of internal carotid aery