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
A 26 years male person has got injury to mid arm patient developed wrist drop, finger drop, loss of sensation and dorsum of hand, patient is able to do elbow extension, the diagnosis is 
Select and explain. 
A. Very high radial nerve injury, B. High radial nerve injury, C. Low radial nerve injury, D. Posterior Interooseus nerve
B: High radial nerve injury
Answer: B: High radial nerve injury 
Explanation: Very high radial nerve palsy ----elbow extension lost, wrist drop, finger drop High radial nerve palsy ----wrist drop, finger drop Low radial nerve palsy ----finger drop, no wrist drop Refer maheswari 9th ed