An ABG sample drawn while recieving 60% FIO2 has an air bubb…

An ABG sample drawn while recieving 60% FIO2 has an air bubble in it. The ABG was analyzed with the following result:   pH – 7.37 PaCO2 – 36 mmHg PaO2 – 200 mmHg HCO3 – 24 mEq/L   What changes occurred due to the air bubble?   I. Increase in pH II. Decrease in PaO2 III. Decrease in PaCO2 IV. Increase in PaO2