This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Renal Tubular And Obstructive Disorders, Subject name: Pediatrics
Which is not a feature of classic distal A? 
Select and explain. 
A. Hyperkalemia, B. Urine pH >5.5, C. Positive urine anion gap, D. Nephrocalcinosis
A: Hyperkalemia
Answer: A: Hyperkalemia 
Explanation: Classic distal A/ Type 1 A- Hyperkalemia is not seen Hyperkalemia is seen in type IV A