<prompt> A patient presents with respiratory distress and shows pH 7.2, PCO2 50 mmHg, PO2 85 mmHg and HCO3 20 mEqL. The cause isMetabolic acidosisMetabolic alkalosisRespiratory acidosis with compensatory Metabolic alkalosisRespiratory acidosis with decompensatory Metabolic acidosis  <response>: D Respiratory acidosis with decompensatory Metabolic acidosis PREDICTION OF COMPENSATORY RESPONSES ON SIMPLE ACID-BASE DISTURBANCESDisorderPrediction of Compensation Metabolic acidosisPaco2 1.5 x HCO3- 8OrPaco2 will 1.25 mmHg per mmolL in orPaco2 15 Metabolic alkalosisPaco2 will 0.75 mmHg per mmolL in Paco2 will 6 mmHg per mmolL in Paco2 15 Respiratory alkalosis Acute will 2 mmolL per 10 mmHg , in Paco2 Chronic will4 mmolL per 10 mmHg in Paco2 Respiratory acidosis Acute will 1 mmolL per 10 mmHg in Paco2 Chronic will 4 mmolL per 10 mmHg in Paco2 