ENT Nose and paranasal sinuses 2b8374f3 Nasal mucosa is supplied by: A only external carotid aery B Only internal carotid aery C Mainly external carotid aery D Mainly internal carotid aery High-Yield Explanation Both the internal and external carotid aery supply the nose but main aery is the external carotid aery. Ref.Dhingra5/e p 189