Free NCLEX RN Practice Test Practice Question
The physician has ordered that a 132-pound client with increased intracranial pressure receive 0.5 g of mannitol per kg in an IV solution. How many grams should be in the total mannitol dose? Record your answer using a whole number.
Correct Answer: 30
Rationale: To determine the total mannitol dose, first convert the client's weight from pounds to kilograms. Since 1 kg is approximately 2.2 pounds, a 132-pound client weighs about 60 kg (132 ÷ 2.2). The physician ordered 0.5 g of mannitol per kg, so the calculation is 0.5 g/kg × 60 kg = 30 g.
Other options are incorrect due to miscalculations or incorrect conversions. For instance, using a weight of 132 kg or not converting pounds to kilograms leads to incorrect total doses. Accurate weight conversion and dosage calculation are crucial in medical dosing to ensure patient safety.
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