A nurse is preparing to administer 2.4 million units of penicillin G intramuscularly for a client who is both positive for HIV and syphilis. The prescriber ordered 2.4 million units IM every week for three consecutive weeks. The available dose comes in a 600,000/mL vial. How many mL of medications would the client receive per dose?
The Correct Answer is ["4"]
Determine the dosage required: 2.4 million units
Determine the concentration available: 600,000 units/mL
Use the formula:
Volume (mL)=Required dose (units)/Concentration (units/mL)
Volume (mL)=2.4 million units/600,000 units/mL
Calculate the volume:
Volume (mL)=4
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["10"]
Explanation
Step by step calculation:
Determinethedosagerequiredperadministration:2.5mg
Determinetheconcentrationavailable:5mg/5mL=1mg/mL
Usetheformulatocalculatethevolumeperdose:
Volumeperdose(mL)=Requireddose(mg)/Concentration(mg/mL)
Volumeperdose(mL)=2.5mg/1mg/mL=2.5mL
Calculatethenumberofdosesperday:Every6hoursmeans4dosesperday.
Calculatethetotalvolumeperday:
Totalvolumeperday(mL)=Volumeperdose(mL) × Numberofdosesperday
Totalvolumeperday(mL)=2.5mL × 4=10mL
Correct Answer is ["95"]
Explanation
Convertpoundstokilograms:
1lb=0.453592kg
Calculatetheclient'sweightinkilograms:
209lbs × 0.453592kg/lb=94.800128kg
Roundtothenearestwholenumber:
95kg
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