A nurse is preparing to administer ketorolac 30 mg IM for a loading dose. Available is ketorolac injection 15 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["2"]
To give a loading dose of ketorolac 30 mg IM, the nurse needs to calculate the volume of the injection solution.
The solution has a concentration of 15 mg/mL, which means that every 1 mL contains 15 mg of ketorolac.
To find the volume, the nurse can use the formula: volume = dose / concentration. Plugging in the values, we get: volume = 30 mg / 15 mg/mL = 2 mL.
Therefore, the nurse should administer 2 mL of ketorolac injection for a loading dose.
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Related Questions
Correct Answer is ["0.7"]
Explanation
To calculate the dose of chlorpromazine for a child who weighs 66 lb, first convert the weight to kilograms by dividing by 2.2.
This gives 66 / 2.2 = 30 kg.
Then multiply the weight by the prescribed dose of 0.55 mg/kg to get the total dose in milligrams: 30 x 0.55 = 16.5 mg.
Finally, divide the total dose by the concentration of the injection solution to get the volume in milliliters: 16.5 / 25 = 0.66 ml.
The nurse should administer 0.7 ml of chlorpromazine IM to the child.
Correct Answer is ["1.5"]
Explanation
To calculate the dosage of cefazolin, the nurse needs to use the following formula:
Dose (mL) = Ordered dose (mg) / Available dose (mg/mL)
Plugging in the values from the question, we get:
Dose (mL) = 500 mg / 330 mg/mL
Dose (mL) = 1.515 mL
Rounding to the nearest tenth, the nurse should administer 1.5 mL of cefazolin per dose.
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