High School

How many capsules, each containing 250 mg of chloramphenicol, are needed to provide 50 mg/kg/day for 10 days for an adult weighing 187 lb?

Answer :

Final answer:

To provide 50mg/kg/day for 10 days for an adult weighing 187lb, we would need to administer 170 capsules, each containing 250mg of chloramphenicol.

Explanation:

Firstly, we need to convert the weight from pounds to kilograms because the dosage is given per kilogram. 1lb equals 0.4536kg, so an adult weighing 187lb is approximately 85kg. The total amount of chloramphenicol needed for the adult is 50mg/kg/day * 85kg * 10 days = 42500mg. Each capsule contains 250mg of chloramphenicol, so the number of capsules needed is 42500mg / 250mg/capsule = 170 capsules. Hence, the adult would need to take 170 capsules over the course of ten days to obtain the desired dosage.

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