<prompt> Lab values: pH 7.42, paCO2- 25, HCO3- 18. Interpret-Metabolic acidosis, paially compensatedRespiratory acidosis, paially compensatedRespiratory acidosis, fully compensatedRespiratory alkalosis, fully compensated  <response>: pH - 7.42 N PaCO2 - 25 low since Value of pH is towards alkaline side,low pCO2 explains alkaline pH.Respiratory alkalosis HCO3 - 18 low in CO2 40-25 15 For chronic change for every 10 mmHg fall in PCO2- HCO3 by 4 mEq. HCO3 to be by 4 x1 .5 6 HCO3 18 -means compensation is going fine . since pH is normal so we can say that condition is fully compensated so this is the case of Respiratory alkalosis,fully compensated. 