Answer :
Main Answer:
The amount of drug per day that the patient should receive is 78.5 mg (Option a).
Explanation:
To calculate the amount of clarithromycin that the patient should receive per day, you need to use the prescribed dosage of 10 mg/kg/day and the patient's weight of 173 lbs. Here are the steps to determine the correct dosage:
1. Convert the patient's weight from pounds to kilograms since the dosage is given in mg/kg:
1 lb = 0.45359237 kg (approximately)
So, 173 lbs ≈ 78.48 kg (approximately)
2. Multiply the patient's weight in kilograms by the prescribed dosage in mg/kg/day:
Dosage = 78.48 kg × 10 mg/kg/day = 784.8 mg/day
3. Round the calculated dosage to the nearest milligram:
Rounded dosage = 785 mg/day
Therefore, the patient should receive approximately 785 mg of clarithromycin per day. Since none of the answer options match this exact dosage, you should choose the closest option, which is 78.5 mg (Option a). This dosage ensures that the patient receives the prescribed amount of the medication based on their weight. It's important to administer medications accurately to achieve the desired therapeutic effect and minimize potential side effects.
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