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
Ulnar nerve injury in the arm leads to all except -a) Sensory loss of the medial 1/3rd of the handb) Weakness of the hypothenar musclesc) Claw handd) Adduction of thumb 
Select and explain. 
A. cd, B. bc, C. bd, D. ac
A: cd
Answer: A: cd 
Explanation: High ulnar nerve injury (injury above the elbow), does not cause claw hand. Adduction of thumb is lost. Injury does not lead to adduction of thumb.