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: Orthopaedics
[{'content': 'Ramesh thigh, a 40 yrs old man, was admitted with fracture shaft femur following a road traffic accident. He was tachypnoeic, and had conjunctival petechiae. Most likely diagnosis is - \nSelect and explain. \nA. Pulomary embolism, B. Sepsis syndrome, C. Fat embolism, D. Hemothorex', 'role': 'user'}, {'content': 'Answer: C \nExplanation: This patient has also developed classical triad of fat embolism :-\n\n\nRespiratory symptom :- Tachypnea\nNeurological symptom :- Disorientation\nPetechial rash :- Conjunctival petechiae', 'role': 'assistant'}]