Question 1
A 4-year-old with gastroenteritis has serum Na 122 mEq/L, urine osmolality 100 mOsm/kg, and urine Na 10 mEq/L. Which is the most likely mechanism?
Correct Answer:
Hypovolemic hyponatremia with appropriate renal water/salt conservation
Question 2
A 3-month-old presents with polyuria, polydipsia, dehydration, and serum Na 160 mEq/L. Despite DDAVP administration, urine osmolality remains 100 mOsm/kg. Which diagnosis is most likely?
Correct Answer:
Nephrogenic diabetes insipidus
Question 3
A 10-year-old presents with hypokalemic hyperchloremic non-anion-gap metabolic acidosis, urine pH 6.5, nephrocalcinosis, and short stature. Which diagnosis?
Correct Answer:
Distal (type 1) renal tubular acidosis
Question 4
Which finding best distinguishes Gitelman syndrome from Bartter syndrome?
Correct Answer:
Hypocalciuria and hypomagnesemia in Gitelman
Question 5
A 5-year-old boy develops steroid-sensitive nephrotic syndrome. Which histologic finding is most likely on biopsy?
Correct Answer:
Normal light microscopy with foot process effacement on EM (minimal change disease)
Question 1
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Prepare with the ABP Pediatric Nephrology Practice Questions - ABP Pediatric Nephrology Subspecialty Certifying Examination Exam practice quiz. This question bank includes 100 questions covering year-old, diagnosis, urine, shows, and kidney. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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ABP Pediatric Nephrology Practice Questions - ABP Pediatric Nephrology Subspecialty Certifying Examination Exam

This practice set contains 100 questions from the matching question bank and focuses on year-old, diagnosis, urine, shows, and kidney. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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