<prompt> Which of the following is not associated with pulmonary aery hypeension?Interstitial lung diseaseLeft ventricular hyperophyMitral StenosisCor - pulmonale  <response>: Option 1: produces hypoxia to lead to PA vasoconstriction. Option 3: the transmission of back pressure changes leads to PAHOption 4: PAH is the culprit lesion leading to RVF. 