Cardiology MCQ! choose correct one/s by number/s.? -

# Primary pulmonary hypertension ……..all are true...Except 1. ? an associated with HIV infection has been seen. 2. ? medial hypertrophy and fibrinoid necrosis are seen in ALL branches of the pulmonary arterial tree and result in pulmonary vascular obstruction 3. ? physicial signs are usually unimpressive until right sided heart failure sets in 4. ? 5 out of every ten cases are familial. 5. ? most patients die within 2-3 years of diagnosis.

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