Physiology Pa Exam 2024 (3) 2024 | Guaranteed 100% Score

70 year-old male patient with a history COPD and chronic carbon dioxide retention (Baseline PCO2 58) presents to the emergency room complaining of dyspnea and an increase in the frequency of cough attacks, associated with high purulence sputum production. His oxygen saturation is 78% on room air. Arterial blood gas: • pH=7.25 • PCO2=68 mmHg • PO2= 48 mmHg • HCO3=- 31 mEql/l Acid base balance? {Ans: respiratory acidosis}24-year-old DKA (diabetic ketoacidosis) patient from the ED with high plasma levels of glucose. ABG results are: • pH= 7.20 • PaCO2= 25 mmHg • HCO3=12 mEql/l • PaO2= 98 mmHg Acid base status? {Ans: metabolic acidosis}30-year-old man, with no significant medical history, presents to the emergency department with a 2-day history of fever, productive cough and progressive dyspnea. Physical examination: facial flush, axilary temperature of 39.3°C. H +31.8 nmol/L pH7.50 P co 228.1 mmHg P o 257.8 mmHg(>80) Bicarbonate23.9 mmol/L BE−0.5 mmol/L So 288.7% K3.7 mmol/L Na138 mmol/L Cl99 mmol/L Ca +1.2 mmol/L Hb15 g/dL Glucose5.4 mmol/L Acid base status? {Ans: respiratory alkalosis}22 year old female with hyperventilation. No medical history. Physical examination: profound, rapid breathing (30 /min, normal 12-16 /min). ABG: • O2 sat = 100% •