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
Nerve related to anatomical snuff box ? 
Select and explain. 
A. Ulnar, B. Median, C. Superficial branch of radial, D. Axillary
C: Superficial branch of radial
Answer: C: Superficial branch of radial 
Explanation: ANATOMICAL SNUFF BOX is a triangular depression on the lateral side of the wrist. BOUNDARIES: ANTERIOR-Tendons of abductor pollicis longus and extensor pollicis brevis. POSTERIOR: Tendon of extensor pollicis longus Limited above by Styloid process of the radius. FLOOR: Scaphoid and Trapezium. CONTENTS: Superficial branch of radial nerve radial aery cephalic vein Ref - BD Chaurasia 7th edition Page no: 136