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: Forensic Medicine
Best site for blood collection for toxicology sampling: NEET 13 
Select and explain. 
A. Abdominal aoa, B. Femoral vein, C. Carotid aery, D. Hea
B: Femoral vein
Answer: B: Femoral vein 
Explanation: Ans. Femoral vein