Anatomy Contents of posterior triangle of neck A Occipital artery, spinal accessory nerve, hypoglossal, ascending pharyngeal artery B Occipital artery, lesser occipital nerve, subclavian artery, spinal accessory nerve C Occipital artery, spinal accessory nerve, subclavian artery, hypoglossal nerve D Occipital artery, Lesser occipital nerve, ascending pharyngeal artery, vagus nerve 💡 Explanation Contents of posterior triangle of neck ✓ Correct Answer: B. Occipital artery, lesser occipital nerve, subclavian artery, spinal accessory nerve