At which level does the Common Carotid Aery end?: (A) Level of Hyoid bone, (B) Upper border of cricothyroid membrane, (C) Upper border of cricoid cailage, (D) Upper border of thyroid cailage
Answer is D. At the level of the upper border of the thyroid cailage, in the carotid triangle, the common carotid aery ends by dividing into the external and internal carotid aeries on the right and left sides.