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: Pathology
[{'content': 'A 40 year old female patient complains of breathlessness. Patient gives a history of chest trauma 4 hours ago. General physical examination reveals altered mental status. Further investigations suggest-\nBlood pressure-80/60 mmHg.\nHeart rate- 120 bpm.\nMuffled heart sound.\nJugular venous pressure- raised.\nPulsus paradoxus - present.\nThe patient is in which type of shock? \nSelect and explain. \nA. Neurogenic, B. Obstructive, C. Distributive, D. Hypovolemic', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Note- Jugular venous pressure is high in cardiogenic and obstructive shock.\nCardiac tamponade caused by chest trauma may lead to obstructive shock.\nMuffled heart sound, hypotension, raised JVP → Beck’s triad →\xa0symbolises cardiac tamponade a cause for obstructive shock.', 'role': 'assistant'}]