A 36‑year‑old man with DKA: glucose 520 mg/dL, pH 7.12, anion gap 24, K⁺ 4.6 mmol/L. After initial 1-2 L isotonic fluid bolus, what insulin regimen is recommended?ARegular insulin 10 units IV bolus then 10 units/hour infusion regardless of weightBRegular insulin infusion 0.1 units/kg/hour (no bolus), titrated per protocolCNPH insulin 0.5 units/kg subcutaneously every 6 hoursDNo insulin until anion gap closesEBasal‑bolus subcutaneous insulin immediatelyCheck my answer