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
Anatomical snuffbox contains - 
Select and explain. 
A. Radial artery, B. Brachial artery, C. Ulnar artery, D. Interosseus artery
A: Radial artery
Answer: A: Radial artery 
Explanation: -        Boundaries of anatomical snuff box

   Anterior/ Lateral wall- Extensor pollicis brevis and abductor pollicis longus tendons. 
   Posterior/ medial wall- Extensor pollicis longus tendon
   Floor- Styloid process of radius, trapezium,scaphoid and base of first metacarpal.
   Roof- Skin, fascia, starting of cephalic vein, superficial branch of radial nerve.
  Content- radial artery