A 14-year-old girl with cystic fibrosis has complained of an increased cough productive of green sputum over the last week. She also complained of being increasingly short of breath, and she is noticeably wheezing on physical examination. Arterial blood was drawn and sampled, revealing the following values:                         pH 7.30           pCO2 50 mm Hg  pO2 55 mm Hg  Hemoglobin - O2 saturation 45 %  [HCO3-] 24 meq / liter How would you classify this girl's acid-base status?

*This case is from Docplexus editorial team for educative purpose only Source: Cases in Anatomy and Physiology The answer for the case has been posted. To know Click Here