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Recomended dose by body weight

6. Patient-based Dose 6.2) Body Weight 6.2.1) Body weight General

6.2.1.1) Drug dose based on body weight Easy 1


Total tried:       Correct:       Wrong:

A pharmacist compounds a suspension from an experimental drug capsules to contain 3 mg of drug per milliliter. Using Table shown, calculate the single dose in milliliters for a pediatric patient weighing 33.4 lb.

Body Weight Recomended dose x
5 days
15kg or less 200 mg twice daily
15.1to 23 kg 300 mg twice daily
23.1to 40 kg 400 mg twice daily
40.1 kg or more 500 mg twice daily


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lb equals 100.00 ml kg

  • Here patient's weight
    ` = 33.4 \quad lb × (0.454 \quad kg)/(1 \quad lb) = 15.1636 \quad kg `
  • Body Weight Recomended dose x
    5 days
    15kg or less 200 mg twice daily
    15.1to 23 kg 300 mg twice daily
    23.1to 40 kg 400 mg twice daily
    40.1 kg or more 500 mg twice daily
  • From Table, the dose for the pediatric patient is 300 mg.
    Therefore,
    `300 \quad mg × (1\quad ml)/(3 \quad mg) = 100.00 \quad ml` Ans.


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