A nurse is preparing to administer haloperidol decanoate 75 mg IM to a client who has schizophrenia. Available is haloperidol decanoate injection 50 mg/mL. How many mL should the nurse 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 ["1.5"]
Step 1: The dose to be administered is75 mg of haloperidol decanoate.
Step 2: The available haloperidol decanoate injection has a concentration of50 mg/mL. This means that for every 1 mL of the solution, there are 50 mg of haloperidol decanoate.
Step 3: To find out how many mL should be administered, we divide the dose by the concentration. So, 75 mg ÷ 50 mg/mL = 1.5 mL.
The nurse should administer 1.5 mL of haloperidol decanoate injection.
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Related Questions
Correct Answer is ["1800"]
Explanation
-Step 1: Define the conversion factor from grams to milligrams. We know that 1 g = 1000 mg.
-Step 2: Multiply 1.8 g by the conversion factor (1000 mg/g). The calculation is 1.8 g × 1000 mg/g = 1800 mg.
-Step 3: Round the result to the nearest whole number. The rounded result is 1800 mg.
The nurse should administer 1800 mg of lithium.
Correct Answer is ["3"]
Explanation
Step 1: Calculate the total daily dose in mg
The prescribed dose is1.5 mg every 12 hours. Since there are 24 hours in a day, the total daily dose in mg is1.5 mg × 2 = 3 mg.
Step 2: Calculate the total daily dose in mL
The available risperidone solution is1 mg/mL. So, to find out the total daily dose in mL, we divide the total daily dose in mg by the concentration of the solution. That is,3 mg ÷ 1 mg/mL = 3 mL.
The total daily dose in mL the nurse should administer is 3 mL. This is rounded to the nearest whole number as per your instructions.
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