A nurse is preparing to administer naloxone 0.2 mg IM to a client who is experiencing an opioid overdose. Available is naloxone 0.4 mg/mL for injection. How many mL should the nurse administer? (Round to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.5"]
Step by step calculation:
Determine the dosage required: 0.2 mg
Determine the concentration available: 0.4 mg/mL
Use the formula:
Volume (mL)=Required dose (mg)/Concentration (mg/mL)
Volume (mL)=0.2 mg/0.4 mg/mL
Calculate the volume:
Volume (mL)=0.5
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2.3"]
Explanation
Step-by-step calculation:
Determinethedosagerequired:300mg
Determinetheconcentrationavailable:130mg/mL
Usetheformula:
Volume(mL)=Requireddose(mg)/Concentration(mg/mL)
Volume(mL)=300mg130mg/mL
Calculatethevolume:
Volume(mL)=2.3077
Roundtothenearesttenth: 2.3mL
Correct Answer is ["3"]
Explanation
Rationale:
How to solve this step by step:
Determinethedosagerequired:225mg
Availablecapsulestrength:75mgpercapsule
Calculatethenumberofcapsules:
Numberofcapsules=Requireddose(mg)/Capsulestrength(mg/capsule)
Numberofcapsules=225mg/75mg/capsule
Result:
Numberofcapsules=3
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