Step 1 → Renal Acid-Base DisordersPreview this topic sectionPreview the conditions. Plans unlock the full Step 1 details when you need them. Free Biochemistry Free Microbiology Plans Acid-Base Disorders conditions Distal Renal Tubular Acidosis (RTA Type 1) Hyperkalemic Tubular Acidosis (RTA Type 4) Metabolic Acidosis Metabolic Alkalosis Proximal Renal Tubular Acidosis (RTA Type 2) Respiratory Acidosis Respiratory Alkalosis