A patient weighs 40 kg and the dose is 1 mg/kg. The drug concentration is 0.5 mg/mL. How many milliliters per dose should be administered?

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Multiple Choice

A patient weighs 40 kg and the dose is 1 mg/kg. The drug concentration is 0.5 mg/mL. How many milliliters per dose should be administered?

Explanation:
The main idea is converting a weight-based dose into a volume using the drug’s concentration. First find the total dose: weight times mg per kg equals 40 kg × 1 mg/kg = 40 mg. Then convert that dose to milliliters with the concentration: volume = 40 mg ÷ 0.5 mg/mL = 80 mL. Therefore, each dose should be 80 mL.

The main idea is converting a weight-based dose into a volume using the drug’s concentration. First find the total dose: weight times mg per kg equals 40 kg × 1 mg/kg = 40 mg. Then convert that dose to milliliters with the concentration: volume = 40 mg ÷ 0.5 mg/mL = 80 mL. Therefore, each dose should be 80 mL.

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