A nurse is preparing to administer meperidine 75 mg IM stat.
If the available meperidine injection is 100 mg/mL, how many mL should the nurse administer?
The Correct Answer is ["0.75 "]
Step 1: Calculate the volume of meperidine injection to administer. The available meperidine injection is 100 mg/mL, so 75 mg ÷ 100 mg/mL = 0.75 mL. The nurse should administer 0.75 mL of meperidine injection.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1.57 "]
Explanation
Step 1: Calculate the dose of lorazepam. The doctor ordered 0.05 mg/kg, so 0.05 mg/kg × 62.73 kg (138 lb ÷ 2.2 lb/kg) = 3.14 mg.
Step 2: Calculate the volume of lorazepam injection to administer. The available lorazepam injection is 2 mg/mL, so 3.14 mg ÷ 2 mg/mL = 1.57 mL. The nurse should administer 1.57 mL of lorazepam injection.
Correct Answer is ["8 "]
Explanation
The nurse should administer 8 mL of phenytoin. Here’s the calculation: Step 1: The total dosage required is 200 mg.
Step 2: Each 5 mL of the oral suspension contains 125 mg of phenytoin.
Step 3: So, the volume to be administered is (200 mg ÷ 125 mg/5mL) = 8 mL.
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