This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Pain sensation from ethmoid sinus is transmitted through 
Select and explain. 
A. Infrachlear nerve, B. Nasocilliary nerve, C. Lacrimal nerve, D. Frontal nerve
B: Nasocilliary nerve
Answer: B: Nasocilliary nerve 
Explanation: It is the principal nerve supplying the sensory supply to the Ethmoidal sinuses through its anterior and posterior Ethmoidal branches.