2. A 65 kg female patient is currently on assist control wit…

2. A 65 kg female patient is currently on assist control with the following information:   Mode       AC                      pH            7.35 Freq         10                        PaCO2     50 mm Hg VT           600 ml                 PaO2        45 mmHg FIO2        .50                       HCO3       29 mEq/L PEEP         5                        BE            +3   What must be manipulated at this time?

15.  A chronic obstructive pulmonary disease (COPD) patient…

15.  A chronic obstructive pulmonary disease (COPD) patient receiving ventilatory support in the CMV assist-control mode at a rate of 14 and a VT of 750 ml exhibits clinical signs of air-trapping. Which of the following would you recommend to correct this problem? I. Decrease “E” time. II. Increase the inspiratory flow rate. III. Decrease the assist-control rate.

16. Beneficial effects of using high inspiratory flows in pa…

16. Beneficial effects of using high inspiratory flows in patients with chronic airflow obstruction receiving flow-limited mechanical ventilation include which of the following? I. decreased work of breathing II. improved gas exchange III. decreased auto-PEEP

3. A patient is currently on mechanical ventilation on the f…

3. A patient is currently on mechanical ventilation on the following settings and ABG results:   Mode      AC                      pH            7.30 Freq        12                        PaCO2     53 VT          0.6 L                   PaO2        63 FIO2       .45                       HCO3       24 PEEP        0                        BE            0   What must be manipulated to correct the pH?