According to Clark's Rule, a child dose equals (weight/150) of the adult dosage. If a child weighs 60 pounds and the adult dosage is 500 mg, what is the child's dose?

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Study for the NBEO Part II TMOD Exam. Prepare with flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

Multiple Choice

According to Clark's Rule, a child dose equals (weight/150) of the adult dosage. If a child weighs 60 pounds and the adult dosage is 500 mg, what is the child's dose?

Explanation:
Clark's Rule uses the child's weight in pounds to scale the adult dose: child’s dose = (weight in pounds / 150) × adult dose. For a child weighing 60 pounds with an adult dose of 500 mg, calculate (60/150) = 0.4, then 0.4 × 500 mg = 200 mg. So the child’s dose is 200 mg. This 40% of the adult dose reflects the weight fraction, and the result aligns with the expected scaling by weight.

Clark's Rule uses the child's weight in pounds to scale the adult dose: child’s dose = (weight in pounds / 150) × adult dose. For a child weighing 60 pounds with an adult dose of 500 mg, calculate (60/150) = 0.4, then 0.4 × 500 mg = 200 mg. So the child’s dose is 200 mg. This 40% of the adult dose reflects the weight fraction, and the result aligns with the expected scaling by weight.

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