This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Anatomy
[{'content': 'Reduction of diametervat the muzzle end of a barrel of shotgun is called \nSelect and explain. \nA. Rifling, B. Choking, C. Yawing, D. Tembling', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Choking Reduction of diameter at the muzzle end of the barrel of a shotgun is called choking Choking reduces the dispersion of pellets and holds the pellets together for a longer distance Choke- bore means diameter of the barrel is reduced at the muzzle end. Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 137', 'role': 'assistant'}]