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The arterial blood supply to the nose is primarily derived from branches of the internal and external maxillary arteries. The internal maxillary artery, a terminal branch of the maxillary artery, supplies various regions in the face, including the nasal cavity through its branches such as the sphenopalatine artery. On the other hand, the external maxillary artery, also a branch of the facial artery, contributes to the blood supply of the external portions of the nose.

The common carotid artery provides blood to the head and neck, but it does not supply the nose directly; rather, it gives rise to arteries that do. The facial artery is indeed a significant supplier of blood to the face, including the nasal area, but it operates predominantly through its branches rather than being the primary source. The subclavian artery primarily caters to the upper extremities and parts of the neck, offering no direct contribution to the nasal blood supply. Thus, the most accurate and comprehensive choice for the arterial supply to the nose is the branches of the internal and external maxillary arteries.