In acute hypercapnic respiratory failure (Type II), what doe…

In acute hypercapnic respiratory failure (Type II), what does the pH do?  Drops about 0.08 units for every 10 mm Hg rise in PaCO2   Rises about 0.08 units for every 10 mm Hg rise in PaCO2  Drops about 0.03 units for every 10 mm Hg rise in PaCO2  Rises about 0.03 units for every 10 mm Hg rise in PaCO2

All of the following strategies can help reduce auto-PEEP in…

All of the following strategies can help reduce auto-PEEP in mechanically ventilated patients with obstructive lung disease except:1.  Use high inspiratory flows (70 to 100 L/min).2.  Apply extrinsic PEEP.3.  Use low VT values (6 to 8 ml/kg).4.  Use high respiratory rates (>25/min).