A nurse is preparing to administer diazepam 7.5 mg IM to a client who is experiencing anxiety. Available is diazepam injection 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 ["1.5"]
Step by step calculation:
Determine the dosage required: 7.5 mg
Determine the concentration available: 5 mg/mL
Use the formula:
Volume (mL)=Required dose (mg)/Concentration (mg/mL)
Volume (mL)=7.5 mg/5 mg/mL
Calculate the volume:
Volume (mL)=1.5
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Related Questions
Correct Answer is ["0.8"]
Explanation
Rationale:
Step by step calculation:
Determinethedosagerequired:160mg
Determinetheconcentrationavailable:400mg/2mL
Simplifytheconcentration:
400mg/2mL=200mg/mL
Usetheformula:
Volume(mL)=Requireddose(mg)/Concentration(mg/mL)
Volume(mL)=160mg/200mg/mL
Calculatethevolume:
Volume(mL)=0.8
Correct Answer is ["6"]
Explanation
Step by step calculation:
Determinethetotaldailydosage:90mg
Availabletabletstrength:15mgpertablet
Calculatethenumberoftabletsperday:
Numberoftabletsperday=Totaldailydose(/mg)Tabletstrength(mg/tablet)=90mg/15mg/tablet
Result:
Numberoftabletsperday=6
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