Mr. Rogers should drink at least 30 mL/kg of fluid per day. Based on 102.7 kg, what is the approximate daily fluid requirement in milliliters?

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Multiple Choice

Mr. Rogers should drink at least 30 mL/kg of fluid per day. Based on 102.7 kg, what is the approximate daily fluid requirement in milliliters?

Explanation:
The main idea is to estimate maintenance fluid needs using weight in kilograms multiplied by a set number of milliliters per kilogram per day. Here, take 102.7 kg and multiply by 30 mL/kg/day: 102.7 × 30 = 3,081 mL per day, which is about 3.1 liters. This approach shows why the daily requirement is around 3,081 mL for this person. The other numbers would come from using different ml/kg/day values (for example, about 20 mL/kg would be around 2,050 mL; about 15 mL/kg would be 1,500 mL; or 60 mL/kg would be 6,120 mL), which aren’t consistent with the 30 mL/kg/day guideline given.

The main idea is to estimate maintenance fluid needs using weight in kilograms multiplied by a set number of milliliters per kilogram per day. Here, take 102.7 kg and multiply by 30 mL/kg/day: 102.7 × 30 = 3,081 mL per day, which is about 3.1 liters. This approach shows why the daily requirement is around 3,081 mL for this person. The other numbers would come from using different ml/kg/day values (for example, about 20 mL/kg would be around 2,050 mL; about 15 mL/kg would be 1,500 mL; or 60 mL/kg would be 6,120 mL), which aren’t consistent with the 30 mL/kg/day guideline given.

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