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: Surgery
An intern was doing saphenous cannulation for a burn patient. Then the patient developed sudden onset of pain along the medial border of the corresponding foot. Which nerve must have beenaccidentally ligated? 
Select and explain. 
A. Sural nerve, B. Deep peroneal nerve, C. Saphenous nerve, D. Genicular nerve
C: Saphenous nerve
Answer: C: Saphenous nerve 
Explanation: Ans. is 'c' i.e., Saphenous nerve