Anatomy The commonest variation in the aeries arising from the arch of aoa is: A Absence of brachiocephalic trunk B Left veebral aery arising from the arch C Left common carotid aery arising from brachio cephalic trunk D Presence of retroesophageal subclan aery 💡 Explanation The commonest variation in the aeries arising from the arch of aoa is: ✓ Correct Answer: C. Left common carotid aery arising from brachio cephalic trunk