Answer :
The dosage of penicillin for the 122 lb woman is approximately 0.00993 g/kg of body weight.
To calculate the dosage in grams per kilogram of body weight, we'll follow these steps:
Convert the weight of the woman from pounds to kilograms.
122 lb * (1 kg / 2.2046 lb) = 55.34 kg (rounded to two decimal places)
Calculate the total dosage of penicillin in grams.
2 tablets * 275 mg/tablet = 550 mg
Convert the total dosage from milligrams to grams.
550 mg * (1 g / 1000 mg) = 0.55 g
Calculate the dosage per kilogram of body weight.
Dosage per kg = Total dosage (g) / Body weight (kg)
Dosage per kg = 0.55 g / 55.34 kg = 0.00993 g/kg
Rounded to three significant figures, the dosage is approximately 0.00993 g/kg.
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