Which of the following formula for calculating child dose is based on body weight:
Show Hint
- Clark’s formula
- Fried’s formula
- Young’s formula
- Dilling's formula
The Correct Option is A
Solution and Explanation
Step 1: Understanding Clark’s formula. Clark’s formula calculates the child’s dose of a medication based on the child’s body weight, ensuring accurate dosing to avoid toxicity or underdosing. The formula is: \[ \text{Child’s Dose} = \frac{\text{Weight of the child (kg)}}{70} \times \text{Adult Dose} \] or, in pounds: \[ \text{Child’s Dose} = \frac{\text{Weight of the child (lb)}}{150} \times \text{Adult Dose}. \]
Step 2: Explanation of other formulas.
- (B) Fried’s formula: Based on the child’s age in months.
- (C) Young’s formula: Based on the child’s age in years.
- (D) Dilling’s formula: Also based on the child’s age in years, specifically for older children.
Conclusion. Since Clark’s formula considers the child’s body weight for dose calculation, option (A) is correct.
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