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Mashcka [7]
3 years ago
7

Patient weighs 22 lbs. Physician order 20 mg/kg/day in 4 divided doses. What is the daily drug total? ________ How much will the

nurse draw up for each dose if the medicine comes (100mg/5mL)? ______________
Mathematics
1 answer:
vitfil [10]3 years ago
5 0

Answer:

His daily dosage is 199.6 mg divided in four doses of 49.9 mg. The Nurse needs to draw 2.495 mL from a medicine that comes in 100mg/5mL.

Step-by-step explanation:

To calculate the daily dose we first need to find the mass of the Patient in kg. To do that we need to divide his weigh in lbs by 2.205.

weigh = \frac{22}{2.205} = 9.98 \text{ kg}

Since he needs to take 20 mg of drug per kg of body in a day, we need to multiply his weigh by this dosage:

\text{daily dosage} = 9.98*20 = 199.6 \text{ mg}

Each individual dose must be \frac{1}{4} of his daily dose, so:

\text{each dose} = \frac{199.6}{4} = 49.9 \text{ mg}

Since the medicine comes in 100mg /5 mL, the nurse needs:

\text{volume of dose} = \frac{49.9}{100}*5 = 2.495 \text{ mL}

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