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Physiology
Which set of aerial blood values describes a heavy smoker who is a COPD patient becoming increasingly somnolent?
pH: 7.65; HCO3-: 48meq/L; PCO2: 45mmHg
pH: 7.5; HCO3-: 12meq/L; PCO2: 20mmHg
pH: 7.4; HCO3-: 18meq/L; PCO2: 40mmHg
pH: 7.2; HCO3-: 30meq/L; PCO2: 60mmHg
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