Quick answerHold and clarify the
1000 mg order.
Why this is correctThe injection contains 10 mg/mL, but dose safety is based on milligrams and body weight. For 42 kg, 15 mg/kg equals 630 mg, below the ordered 1000 mg.
Easy analogy or mental pictureThe bag size is the container, not the client-specific dose.
Memory hookUnder 50 kg: calculate mg/kg and count every acetaminophen source.NCLEX decision ruleCheck weight, milligrams, milliliters, pump programming, and total daily exposure before administration.
Why the other choices are wrongAdult status does not override the under-50-kg rule. A 1000 mL dose is a unit error, and combination products still count toward the daily total.
References
1DailyMed: Acetaminophen InjectionWeight-based dosing under 50 kg and mg/mL error prevention