A nurse is preparing to administer triamcinolone 40 mg IM to a child. Available is triamcinolone 80 mg/mL. What is the total mL the nurse should administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.5"]
To calculate the total milliliters of triamcinolone to administer, you would use the formula: \[Total Volume = (Ordered Dose) / (Concentration)\]. For an ordered dose of 40 mg and a concentration of 80 mg/mL, the calculation would be 40 mg divided by 80 mg/mL, which equals 0.5 mL. Therefore, the nurse should administer 0.5 mL of triamcinolone.
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Related Questions
Correct Answer is ["1.5"]
Explanation
To convert milliliters (mL) to teaspoons (tsp), one can use the conversion factor that 1 teaspoon is approximately equal to 5 milliliters. Therefore, to find out how many teaspoons 7.5 mL is equivalent to, the calculation would be 7.5 mL divided by 5 mL/tsp. The result of this calculation is 1.5 tsp. When rounding to the nearest tenth, the answer remains 1.5 tsp.
Correct Answer is ["30"]
Explanation
To calculate the dosage of dexamethasone in milliliters for the child, first convert the child's weight from pounds to kilograms, knowing that 1 kilogram equals 2.2 pounds. The child weighs 66 pounds, which is approximately 30 kilograms (66 / 2.2). According to the prescription, the child requires 0.2 mg of dexamethasone per kilogram per day. So, for a 30 kg child, the total daily dosage is 6 mg (30 kg * 0.2 mg/kg). This total daily dose should be divided into two doses, which means each dose will be 3 mg (6 mg / 2). Given that the available elixir concentration is 0.5 mg per 5 mL, to administer a 3 mg dose, the nurse would need 30 mL of the elixir (3 mg / 0.5 mg * 5 mL). Therefore, the nurse should administer 30 mL per dose.
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