A 38-year-old man comes to the GP for a 3-month history of progressive fatigue. He says that he has trouble staying awake at work and drinks 6 cups of coffee a day. His wife often complains that he snores. BMI is 38. If arterial blood gas is performed on this patient, which of the following combinations of findings is most likely?
↑ HCO3–; ↑ pCO2; ↑ pH
↑ HCO3–; ↑ pCO2; ↓ pH
↑ HCO3–; ↓ pCO2; ↑ pH
↑ HCO3–; ↓ pCO2; ↓ pH
↓ HCO3–; ↑ pCO2; ↑ pH
↓ HCO3–; ↑ pCO2; ↓ pH
↓ HCO3–; ↓ pCO2; ↑ pH
↓ HCO3–; ↓ pCO2; ↓ pH
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Cut-to-the-chase Answer (0:33):
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HY USMLE Answer (2:29):