Not a direct branch of arch of aoa ?: (A) Left common carotid aery, (B) Left subclan aery, (C) Brachiocephalic trunk, (D) Right common carotid aery
Answer is D. Branches of arch of aoa are :- i) Brachiocephalic trunk ii) Left common carotid aery iii) Left subclan aery Right common carotid aery and right subclan aery arise from brachiocephalic trunk (Brachiocephalic trunk divides into right common carotid and right subclan aeries).