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: Surgery
Which one of the following veins should be avoided for intravenous infusion in the managment of abdominal trauma - 
Select and explain. 
A. Cubital, B. Cephalic, C. Long saphenous, D. External jugular
C: Long saphenous
Answer: C: Long saphenous 
Explanation: None