[Verified Answer]: 65-year-old male with a history of chronic…

65-year-old male with a history of chronic obstructive pulmonary disease (COPD) , hypertension , and type 2 diabetes is admitted to the ICU with worsening shortness of breath, confusion, and generalized weakness. He reports poor oral intake over the past week due to nausea and vomiting. On examination, he appears lethargic, has a respiratory rate of 20/min, blood pressure of 90/50 mmHg, and dry mucous membranes. His current medications include: Furosemide 40 mg daily (for hypertension and lower extremity edema) Metformin 1000 mg twice daily (for diabetes) Tiotropium inhaler once daily (for COPD) Aspirin 81 mg daily (for cardiovascular risk reduction)Laboratory results are as follows: Arterial Blood Gas (ABG):o pH: 7.28 o PaCO: 55 mmHg o HCO: 30 mEq/L o PaO: 55 mmHg Serum Electrolytes:o Sodium (Na): 140 mEq/L o Potassium (K): 3.0 mEq/L o Chloride (Cl): 85 mEq/L o BUN: 35 mg/dL o Creatinine: 1.8 mg/dL o Lactate: 3.5 mmol/L Questions: 1. What is/ are acid-base disturbance/s in this patient? 10 words2. What are other conditions other than acid-base disturbances need to be managed in this patient?3. Which of the patients medications may have contributed to his current condition, and what measure should be instituted regarding them? 15 words4. How this patient should be managed, cover all aspects of the case: what pharmacologic agents/ medications he should receive? What of his previous medications need to be modified or discontinued? What non-pharmacologic measures could be helpful and recommended to this patient?5. Is there a need for sodium bicarbonate?6. Is theophylline indicated for this patient?7. Is there a role for acetazolamide?8. should HCL be used?