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
Force of constriction required for the obstruction of Jugular vein is 
Select and explain. 
A. 5 kg, B. 2 kg, C. 15 kg, D. 20 kg
B: 2 kg
Answer: B: 2 kg 
Explanation: Just 2 kg constriction force is sufficient to obstruct Jugular vein.