Anatomy The commonest variation in the arteries arising from the arch of aorta is – A Absence of brachiocephalic trunk B Left vertebral artery arising from the arch C Left common carotid artery arising from brachiocephalic trunk D Presence of retroesophageal subclavian artery 💡 Explanation The commonest variation in the arteries arising from the arch of aorta is - ✓ Correct Answer: C. Left common carotid artery arising from brachiocephalic trunk