Anatomy At the level of Arch of aoa, the relationship of left vagus nerve and left phrenic nerve? A Phrenic nerve anterior, vagus nerve posterior B Phrenic nerve posterior, vagus nerve anterior C Both in same plane anteroposteriorly D Variable in relationship 💡 Explanation At the level of Arch of aoa, the relationship of left vagus nerve and left phrenic nerve? ✓ Correct Answer: A. Phrenic nerve anterior, vagus nerve posterior