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 12-year-old boy is brought to the emergency department due to severe abdominal pain and vomiting in school. His parents mention that he had a viral illness two weeks ago, and he has since been drinking and urinating more frequently than usual. Additionally, he has lost weight despite increasing his caloric intake. His temperature is 36.4°C (97.5° F), pulse is 128/min, respirations are 25/min, and blood pressure is 87/55 mm Hg. The child appears lethargic, he is difficult to rouse, and his breathing appears labored. Physical examination shows reduced skin turgor. Laboratory findings show blood glucose levels of 450 mg/dL and an arterial pH of 7.20. Which of the following additional sets of laboratory findings is most likely to be seen in this patient?

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Arterial PaCO2 (mEq/L)	Arterial HCO3– (mEq/L)	Na+ (mEq/L)	Cl- (mEq/L)
40	24	141	104

Arterial PaCO2 (mEq/L)	Arterial HCO3– (mEq/L)	Na+ (mEq/L)	Cl- (mEq/L)
50	40	143	95

Arterial PaCO2 (mEq/L)	Arterial HCO3– (mEq/L)	Na+ (mEq/L)	Cl- (mEq/L)
52	32	135	95

Arterial PaCO2 (mEq/L)	Arterial HCO3– (mEq/L)	Na+ (mEq/L)	Cl- (mEq/L)
26	20	138	95

Arterial PaCO2 (mEq/L)	Arterial HCO3– (mEq/L)	Na+ (mEq/L)	Cl- (mEq/L)
25	25	140	104

Arterial PaCO2 (mEq/L)	Arterial HCO3– (mEq/L)	Na+ (mEq/L)	Cl- (mEq/L)
30	18	138	110