Pharmacy Technician Calculations Practice Test 2025 – All-in-One Resource to Master Your Exam Success!

Question: 1 / 400

A patient weighing 40 lbs is to receive 100mg/kg/day of ampicillin. What is the total daily dose?

800 mg

1.8 g

To determine the total daily dose of ampicillin for a patient weighing 40 lbs, you need to convert the weight from pounds to kilograms, as the dosage is given in mg per kg.

1. First, convert the patient's weight: Since there are approximately 2.2 pounds in a kilogram, you would divide the weight in pounds by 2.2 to get the weight in kilograms.

\[

40 \text{ lbs} \div 2.2 \text{ lbs/kg} \approx 18.18 \text{ kg}

\]

2. Next, you apply the dosage of 100 mg/kg. Multiply the weight in kg by the dosage:

\[

18.18 \text{ kg} \times 100 \text{ mg/kg} = 1818 \text{ mg}

\]

3. To express this in grams (since the choices are given in grams), convert milligrams to grams:

\[

1818 \text{ mg} = 1.818 \text{ g}

\]

Rounding 1.818 g to one decimal point gives approximately 1.8 g, which matches the provided answer.

This

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2.0 g

3.5 g

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