Common carotid bifurcates at which border of thyroid cailage?: (A) Superior, (B) Inferior, (C) Lateral, (D) Medial
Answer is A. Common carotid aery bifurcates at superior border of lamina of thyroid cailage of larynx at C3 veebral level. At lower border of C6 , ending of larynx and pharynx and beginning of trachea and oesophagus.