This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper limb, Subject name: Anatomy
Not seen in distal radial nerve injury is? 
Select and explain. 
A. Inability to extend fingers, B. Weakness fo extensor carpi radialis brevis, C. Loss of sensations over dorsum of hand, D. Paralysis of Brachiradialis
A: Inability to extend fingers
Answer: A: Inability to extend fingers 
Explanation: In front of the arm, the radial nerve supplies brachioradialis, brachialis and extensor carpi radial is longus. Dorsum of the forehand is supplied by the superficial branch of the radial nerve. In cubital fossa, the radial nerve divides into superficial and deep branches. Deep branch supplies extensor carpi radialis brevis and supinator. Reference: BD Chaurasia 7th edition Page no: 180 Figure: BD Chaurasia , 7th edition, - & upper limb& thorax, page no:179.