QuestionJune 5, 2025

square The healthcare provider prescribes trimethoprim- sulfamethoxazole (Bactrim-DS Oral Suspension) 120 mg BID for a child with bronchitis. The Bactrim bottle is labeled "200 mg/5ml "How many ml should the practical nurse administer at each dose? (Enter the numeric value only.)

square The healthcare provider prescribes trimethoprim- sulfamethoxazole (Bactrim-DS Oral Suspension) 120 mg BID for a child with bronchitis. The Bactrim bottle is labeled "200 mg/5ml "How many ml should the practical nurse administer at each dose? (Enter the numeric value only.)
square The healthcare provider prescribes trimethoprim- sulfamethoxazole (Bactrim-DS Oral Suspension) 120 mg BID for a child with bronchitis. The Bactrim bottle is labeled "200 mg/5ml "How many ml should the practical nurse administer at each dose? (Enter the numeric value only.)

Solution
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Answer

3 Explanation 1. Determine the concentration per ml The concentration is 200 \, \text{mg/5 ml}. Therefore, each ml contains \frac{200}{5} = 40 \, \text{mg/ml}. 2. Calculate required ml for prescribed dose Prescribed dose is 120 \, \text{mg}. Required ml is \frac{120 \, \text{mg}}{40 \, \text{mg/ml}} = 3 \, \text{ml}.

Explanation

1. Determine the concentration per ml<br /> The concentration is $200 \, \text{mg/5 ml}$. Therefore, each ml contains $\frac{200}{5} = 40 \, \text{mg/ml}$.<br />2. Calculate required ml for prescribed dose<br /> Prescribed dose is $120 \, \text{mg}$. Required ml is $\frac{120 \, \text{mg}}{40 \, \text{mg/ml}} = 3 \, \text{ml}$.
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