This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General surgery, Subject name: Surgery
[{'content': 'Organ least affected in blast injuries \nSelect and explain. \nA. Lung, B. Liver, C. Tympanic membrane, D. Intestines', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Tympanic membrane (TM) rupture is the most common primary blast injury. Other common organs are lung and intestine.The solid organs are more resistant to primary blast.Ref: Bailey and love 27e pg: 431', 'role': 'assistant'}]