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
Anterior ethmoidal aery closely related to which of the following structures in the anterior ethmoidal canal? 
Select and explain. 
A. Recurrent laryngeal nerve, B. Nasociliary nerve, C. Optic nerve, D. Posterior ethmoidal aery
B: Nasociliary nerve
Answer: B: Nasociliary nerve 
Explanation: The anterior ethmoidal aery accompanies the nasociliary nerve through the anterior ethmoidal canal, supplies the anterior and middle ethmoidal cells and frontal sinus, and after entering the cranium, gives off a meningeal branch to the dura mater, and nasal branches.