A nurse is preparing to administer fluphenazine hydrochloride 3 mg IM to a client who has schizophrenia. Available is fluphenazine hydrochloride injection 2.5 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 ["1.2"]
Step by step calculation:
Determine the dosage required: 3 mg
Determine the concentration available: 2.5 mg/mL
Use the formula:
Volume (mL)=Required dose/(mg)Concentration (mg/mL)
Volume (mL)=3 mg/2.5 mg/mL
Calculate the volume:
Volume (mL)=1.2
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2"]
Explanation
Rationale:
How to solve this:
Determinethedosagerequiredinmg:0.2g
Convertgramstomilligrams:
0.2g×1000mg/g=200mg
Availabletabletstrength:100mgpertablet
Calculatethenumberoftablets:
Numberoftablets=Requireddose(mg)/Tabletstrength(mg/tablet)=200mg/100mg/tablet
Result:
Numberoftablets=2
Correct Answer is ["0.5"]
Explanation
Step by step calculation:
Determinethedosagerequired:10mg
Determinetheconcentrationavailable:20mg/mL
Usetheformula:
Volume(mL)=Requireddose/(mg)Concentration(mg/mL)
Volume(mL)=10mg/20mg/mL
Calculatethevolume:
Volume(mL)=0.5
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