A nurse is preparing to administer risperidone 25 mg IM to an older adult client who has schizophrenia. Available is risperidone injection 25 mg/2 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"]
Step 1: The dose to be administered is25 mg of risperidone.
Step 2: The available risperidone injection has a concentration of25 mg/2 mL. This means that for every 2 mL of the solution, there are 25 mg of risperidone.
Step 3: To find out how many mL should be administered, we divide the dose by the concentration. So, 25 mg ÷ (25 mg/2 mL) = 2 mL.
The nurse should administer 2 mL of risperidone injection.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["3.1"]
Explanation
Given:
- Total perphenazine to be administered: 200 mg
- The medication is to be divided into four equal doses
- Available perphenazine oral solution: 16 mg/mL
Step 1: Calculate the amount of perphenazine per dose
200 mg ÷ 4 = 50 mg/dose
Step 2: Calculate the volume of the oral solution per dose
(50 mg/dose) ÷ (16 mg/mL) = 3.125 mL/dose
Rounding to the nearest tenth, the nurse should administer 3.1 mL
Correct Answer is ["1.5"]
Explanation
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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