This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thorax: Aerial supply, Subject name: Anatomy
[{'content': 'A 44-year-old man with a stab wound was brought to the emergency depament and a physician found that the patient was suffering from a laceration of his right phrenic nerve. Which of the following conditions has likely occurred? \nSelect and explain. \nA. Injury to only general somatic efferent fibers, B. Difficulty in expiration, C. Loss of sensation in the pericardium and mediastinal pleura, D. Normal function of the diaphragm', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Loss of sensation in the pericardium and mediastinal pleura because Phrenic nerve supply (sensory) central pa of diaphragm, pain from pericardium, mediastinal and diaphragmatic pleurae and peritoneum in the undersurface of diaphragm. Difficulty in inspiration on injury to phrenic nerve.', 'role': 'assistant'}]