This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: Anatomy
Which of the following structure passes through Guyon's canal 
Select and explain. 
A. Flexor carpi radialis, B. Radial nerve, C. Ulnar nerve, D. Median nerve
C: Ulnar nerve
Answer: C: Ulnar nerve 
Explanation: Guyon's canal Contents - Ulnar nerve, ulnar aery passing in ulnar tunnel Roof - Formed by palmar carpal ligament Floor - Formed by flexor retinaculum APPLIED ASPECT - Handle bar injury - Commonly seen in long term bikers - Sensory loss in 1 1/2 fingers on ulnar side