Metabolic acidosis Quiz: Ace Your Exams

Get ready to dominate your medical and nursing exams by using our dynamic quizzes to elevate your knowledge and increase your confidence. Whether you're gearing up for the USMLE®, COMLEX®, or your next in-class assessment, Osmosis quizzes tackle key topics in pathology, diagnostics, and treatment approaches. By honing in on clinical readiness and decision-making, we make sure the knowledge you gain empowers you both in the classroom and in real-world practice. Jump in and supercharge your exam prep!

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A 62-year-old man comes to his primary care physician for a routine visit. The patient has no acute complaints, but he feels out of breath after walking 3-4 blocks. The patient has a 50-pack-year smoking history and consumes one pack of cigarettes per day. His temperature is 37.0°C (98.6°F), pulse is 77/min, blood pressure is 159/83 mmHg, and respirations are 12/min. Physical exam reveals a barrel shaped chest, bilateral wheezing, and a prolonged expiratory phase. Routine labs are ordered. Which of the following sets of findings would be expected given this patient’s clinical presentation?

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Serum pH	Arterial PaCO2 (mEq/L)	HCO3- (mEq/L)
↑	Unchanged	↑

Serum pH	Arterial PaCO2 (mEq/L)	HCO3- (mEq/L)
↓	↑	Unchanged

Serum pH	Arterial PaCO2 (mEq/L)	HCO3- (mEq/L)
↑	↓	Unchanged

Serum pH	Arterial PaCO2 (mEq/L)	HCO3- (mEq/L)
Unchanged	Unchanged	Unchanged

Serum pH	Arterial PaCO2 (mEq/L)	HCO3- (mEq/L)
↓	↑	↑