A nurse is preparing to administer diazepam 2.5 mg PO once a day at bedtime to a client who has anxiety. Available is diazepam oral solution 5 mg/5 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 ["2.5"]
Rationale:
How to solve this step by step:
Determine the dosage required: 2.5 mg
Determine the concentration available: 5 mg/5 mL
Simplify the concentration:
5 mg/5 mL=1 mg/mL
Use the formula:
Volume (mL)=Required dose (mg)/Concentration (mg/mL)
Calculate the volume:
Volume (mL)=2.5 mg/1 mg/mL
Volume (mL)=2.5 mL
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["250"]
Explanation
Step by step calculation:
Determinethetotaldosageperdaying:1g
Convertgramstomilligrams:
1g= 1000mg
Dividethetotaldailydoseintofourequaldoses:
Doseperadministration=1000mg/4
Calculatethedose:
Doseperadministration=250mg
Correct Answer is ["2.5"]
Explanation
Rationale:
How to solve this stepbystep:
Determinethedosagerequired:2.5mg
Determinetheconcentrationavailable:5mg/5mL
Simplifytheconcentration:
5mg/5mL=1mg/mL
Usetheformula:
Volume(mL)=Requireddose(mg)/Concentration(mg/mL)
Calculatethevolume:
Volume(mL)=2.5mg/1mg/mL
Volume(mL)=2.5mL
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