ENT Nose and paranasal sinuses cb45ec27 Pain sensations from the ethmoidal sinus are carried by A Frontal Nerve B Lacrimal Nerve C Nasocilliary Nerve D Intraorbital Nerve High-Yield Explanation nasociliary nerve branch of ophthalmic division of trigeminal nerve carries pain sensation from ethmoid sinus. Ref Dhingra 6/e,p 188