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    HESI PN Exit 2023 Proctored Exam

    The nurse is caring for a client who receives a prescription for valproic acid in which the maximum safe dosage is 60 mg/kg/day. How many mg/day is the maximum safe dosage for a client who weighs 176 pounds? (Enter numerical value only.).

    Explanation & Rationale

    Choice A rationale: 4012 mg/day is not the correct answer. To calculate the maximum safe dosage of valproic acid, you need to convert the client's weight from pounds to kilograms. The client's weight in kilograms can be calculated by dividing the weight in pounds by 2.2. Therefore, 176 pounds divided by 2.2 equals 80 kilograms. The maximum safe dosage is 60 mg/kg/day, so 60 mg multiplied by 80 kg equals 4800 mg/day. Choice B rationale: Step 1: Convert the client’s weight from pounds to kilograms. We know that 1 kg is approximately equal to 2.2 pounds. So, we have: 176 pounds ÷ 2.2 = 80 kg (approximately) Step 2: Calculate the maximum safe dosage for the client. We know that the maximum safe dosage of valproic acid is 60 mg/kg/day. So, we have: 60 mg/kg/day × 80 kg = 4800 mg/day So, the maximum safe dosage for a client who weighs 176 pounds is 4800 mg/day. Choice C rationale: 3520 mg/day is not the correct answer. It does not accurately calculate the maximum safe dosage based on the client's weight. Choice D rationale: 6171 mg/day is not the correct answer. It is significantly higher than the correct calculation and would exceed the maximum safe dosage for the client's weight.

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