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

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Primary pulmonary hypertension 鈥︹€?.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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　　HIV Vaccine 　　HIV Prevention 　　HIV Positive 　　HIV Virus 　　HIV Transmission 　　HIV Treatment 　　HIV Infection 　　HIV Symptoms 　　HIV Test

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