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
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2.5"]
Explanation
Step by step calculation
Determinethedosagerequired:0.05g
Convertgramstomilligrams:
0.05g×1000mg/g=50mg
Determinetheconcentrationavailable:20mg/mL
Usetheformula:
Volume(mL)=Requireddose(mg)/Concentration(mg/mL)
Volume(mL)=50mg/20mg/mL
Calculatethevolume:
Volume(mL)=2.5
Correct Answer is ["4"]
Explanation
Rationale:
Step by step calculation:
Determinethedosagerequired:300mg
Availabletabletstrength:75mgpertablet
Calculatethenumberoftablets:
Numberoftablets=Requireddose(mg)/Tabletstrength(mg/tablet)=300mg/75mg/tablet
Result:
Numberoftablets=4
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