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
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.5"]
Explanation
Step by step calculation:
Determinethedosagerequiredinmcg:500mcg
Understandtheconversionfactor:1mg=1000mcg
Usetheformula:
Weight(mg)=Weight(mcg)1000
Weight(mg)=500mcg/1000
Calculatetheweight:
Weight(mg)=0.5
Correct Answer is ["800"]
Explanation
Step by step calculation:
Determinethedosagerequireding:0.8g
Understandtheconversionfactor:1g=1000mg
Usetheformula:
Weight(mg)=Weight(g)×1000
Weight(mg)=0.8g×1000mg/g
Calculatetheweight:
Weight(mg)=800
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