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 ["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 D
Explanation
A. Clonazepam 0.5 mg PO three times daily: This dosage is common for managing anxiety and can be appropriate for clients experiencing mania, particularly if anxiety symptoms are present. It’s generally considered safe within this range.
B. Lithium 300 mg PO three times daily: This is a standard initial dose for lithium therapy in managing mania, and dosing may be adjusted based on therapeutic levels. Regular monitoring is essential for safety.
C. Risperidone 3.0 mg PO daily: This dosage aligns with typical dosing for managing manic episodes and is within the acceptable therapeutic range for antipsychotic medications. It's commonly used in acute settings.
D. Divalproex 1.5 g PO twice daily: This high dosage raises concern as it significantly exceeds typical recommendations for divalproex. Standard dosing usually starts much lower, and this amount could increase the risk of side effects and toxicity. Clarification with the provider is warranted to ensure safe medication management.
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