Which of the following options is associated with paediatric drug dosage?

Appeared in: UPUMS Nsg officer-2023

Explanation

Clark's rule is a formula specifically designed to calculate medication dosages for children.
The formula uses the child's weight in pounds (lbs) in proportion to a standard adult weight of 150 lbs.
The calculation is: (Child's Weight in lbs ÷ 150) × Adult Dose = Child's Dose.
This method provides a weight-based estimation, which is generally more accurate than age-based formulas for children.

Option A: Management of burns primarily involves fluid resuscitation calculations (e.g., Parkland formula), not general medication dosage rules.
Option B: Management of cleft lip is a surgical and supportive care topic, focusing on procedures like cheiloplasty and feeding techniques, not pharmacological calculations.
Option D: Protein energy malnutrition is a nutritional deficiency state. Its management focuses on therapeutic diets and nutritional rehabilitation, not a drug dosage formula.

Clinical Relevance

Nursing practice connection: Knowing Pediatric drug dosage calculation helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Accurate drug dosage calculation is a critical nursing responsibility in pediatrics to prevent toxicity and ensure therapeutic effectiveness, as children have different pharmacokinetics than adults.
Nurses must always double-check pediatric dose calculations, especially for high-risk medications. Using a reliable formula is a key patient safety measure.
What if the medication was a chemotherapy agent? In that case, the Body Surface Area (BSA) method would be the preferred and more accurate calculation, as it accounts for both height and weight and is the standard for cytotoxic drugs.

How to Approach the Question

First, read the question carefully to identify the core concept: 'paediatric drug dosage'.
Analyze the options to determine their category. Ask yourself, 'Is this a calculation rule, a medical condition, or a management plan?'
Option A ('Management of burns'), B ('Management of cleft lip'), and D ('Protein energy malnutrition') are all clinical conditions or management strategies.
Option C ('Clark's rule') stands out as a named rule, which is likely to be a formula or principle for calculation.
Recall or deduce that Clark's rule is one of the classic formulas for pediatric dosing, making it the correct answer.

Concept Tested & Keywords

Q0CUOrMA4yQFyBPtTTF-gS

E6 Pharmacology Katzung 16e p. 1641-1643

E6 Text Book Of Pediatric Nursing 3rd Panchali Pal — Part 3 (pp 477-702 of 713) p. 149-151

E6 Text Book Of Pediatric Nursing 3rd Panchali Pal — Part 2 (pp 239-476 of 713) p. 94-96

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Attempt every question from this paper in a timed mock, then review the full solution for each one.