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 42-year-old woman is brought to the emergency department for evaluation of new onset confusion. She was recently diagnosed with neurocysticercosis and was discharged from the hospital two days ago with new prescriptions for albendazole and acetazolamide. Her family says up until today, the patient’s headache had been improving, but this morning, they found her unable to remain awake or state her own name. She has a history of opioid use disorder in remission. Her temperature is 36.4°C (97.5° F), pulse is 90/min, respirations are 36/min, and blood pressure is 100/70 mmHg. She appears lethargic and is difficult to arouse, exhibiting rapid, shallow breaths. Physical examination shows symmetric pupils and normal reflexes in all four extremities. Which of the following sets of values is most likely to be found on arterial blood gas analysis?

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Arterial pH	Arterial PaCO2 (mmHg)	Arterial HCO3– (mEq/L)
7.30	50	24

Arterial pH	Arterial PaCO2 (mmHg)	Arterial HCO3– (mEq/L)
7.35	10	6

Arterial pH	Arterial PaCO2 (mmHg)	Arterial HCO3– (mEq/L)
7.40	40	24

Arterial pH	Arterial PaCO2 (mmHg)	Arterial HCO3– (mEq/L)
7.50	30	24

Arterial pH	Arterial PaCO2 (mmHg)	Arterial HCO3– (mEq/L)
7.45	50	32