ENT Not a Boundary of Jackson’s Triangle used in Tracheotomy A Suprasternal notch B Lower edge thyroid cartilage C Outer border of Sterno cleitomastoid D Inner border of Sterno cleitomastoid 💡 Explanation Not a Boundary of Jackson's Triangle used in Tracheotomy ✓ Correct Answer: C. Outer border of Sterno cleitomastoid