#april2020mccqe1
A 62-year-old woman with a long-standing history of diabetes and hypertension presents for evaluation of hyperkalemia. Her room air arterial blood gas (ABG) and electrolytes are the following:
pH 7.38/PCO2 34/PO2 89
Na 140, Cl 106, BUN 51
K 5.9, CO2 20, Cr 2.8
Which of the following is the underlying renal abnormality?
(A) renal tubular acidosis (RTA), type 2
(B) focal segmental glomerulonephritis
(C) interstitial nephritis
(D) RTA, type 4
(E) Barter syndrome
A 62-year-old woman with a long-standing history of diabetes and hypertension presents for evaluation of hyperkalemia. Her room air arterial blood gas (ABG) and electrolytes are the following:
pH 7.38/PCO2 34/PO2 89
Na 140, Cl 106, BUN 51
K 5.9, CO2 20, Cr 2.8
Which of the following is the underlying renal abnormality?
(A) renal tubular acidosis (RTA), type 2
(B) focal segmental glomerulonephritis
(C) interstitial nephritis
(D) RTA, type 4
(E) Barter syndrome
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