This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thromboembolism and Fat Embolism Syndrome, Subject name: Medicine
[{'content': 'Mark the false statement about Pulmonary aery hypeension . \nSelect and explain. \nA. Mutations in the gene encoding bone morphogenetic protein receptor type I, B. Large a wavesleading toelevated JVP, C. In severe PAH, early Pulmonic regurgitation can occur, D. On Histopathology ,Plexiform aeriopathy is seen', 'role': 'user'}, {'content': 'Answer: A \nExplanation: TB- Caseous necrosis Histoplasmosis - Granuloma PAH - Plexiform aeriopathy - Blood vessel is showing Luminal obstruction It is one of the most commonest infection developing in PAH actually happens to be HIV. also know: Mutations in the gene encoding the bone morphogenetic protein receptor type II (BMPR2) are the commonest genetic cause of pulmonary aerial hypeension.', 'role': 'assistant'}]