1. Mrs. Mоnterо, аn 80-yeаr-оld femаle, was admitted to the surgical unit to have abdominal surgery for a perforated ulcer. She has a history of hypertension and chronic bronchitis. Mrs. Montero is now in the postoperative phase and is being closely monitored by the nursing staff. On the second postoperative day, the healthcare team ordered arterial blood gas analysis to assess her respiratory and metabolic status. Identify the acid-base disorder based on the ABG results. Arterial Blood Gas (ABG) pH: 7.30 PaCO2: 55 HCO3: 27 mEq/L Complete Blood Count (CBC) Hemoglobin: 10 g/dL Hematocrit: 30% White Blood Cell (WBC) Count: 12,000/mm³ Electrolytes Sodium (Na+): 140 mEq/L Potassium (K+): 3.8 mEq/L Chloride (Cl-): 98 mEq/L [compensation] [metabolicorresp] [acidosisoralkalosis]