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: ENT
Singular nerve is a - 
Select and explain. 
A. Superior vestibular nerve supplying posterior semicircular canal, B. Inferior vestibular nerve supplying post semicircular canal, C. Superior vestibular nerve supplying anterior semicircular canal, D. Interior vestibular nerve supplying anterior semicircular canal
B: Inferior vestibular nerve supplying post semicircular canal
Answer: B: Inferior vestibular nerve supplying post semicircular canal 
Explanation: As discussed in the preceding text, singular nerve is a branch of inferior vestibular nerve which supplies the posterior semicircular canal.