A patient has the following blood gas data. Calculate the al…

A patient has the following blood gas data. Calculate the alveolar oxygen tension (PAO2.) (in mmHg) ABG:  pH 7.47,  PaCO2  28,  PaO2  85,  HCO3  20, SaO2  95%VBG (mixed):  pH 7.43,  PvCO2  40,  PvO2  35, SvO2  58%FiO2  .60,    Hb  12, PB 740,  RQ 0.9