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The four scores and calculations the National Registry expects you to get right — each with the reasoning beside the number.

GCS calculatorEye, verbal and motor — the total and what it obliges.Rule of ninesBurn size for adults, children and infants.Apgar scoreFive signs at one and five minutes.Dose & drip ratekg, dose by weight, volume and gtt/min — working shown.

Practice it where it is scored

Every CinnaEMS question comes with a written rationale, scored by the 2025 National Registry domains.