A nurse is preparing to administer gabapentin 900 mg PO to a client. The nurse should identify that this is equivalent to how many g? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.9"]
Step by step calculation:
Determine the dosage required in mg: 900 mg
Understand the conversion factor: 1 g = 1000 mg
Use the formula:
Weight (g)=Weight/(mg)1000
Weight (g)=900/mg1000
Calculate the weight:
Weight (g)=0.9
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Temazepam 15 mg PO at bedtime PRN sleep: This prescription is clear, as it specifies the medication, dosage, route, and that it is for as-needed use at bedtime. This is an appropriate use of a sedative-hypnotic medication for sleep issues.
B. Adderall XR 10 mg PO hs: The abbreviation "hs" typically means "at bedtime," but in the context of Adderall, which is a stimulant, this usage may raise concerns about inappropriate timing. Stimulants are usually prescribed in the morning to avoid insomnia and potential side effects, so clarifying this prescription is necessary to ensure safe and effective use.
C. Fluoxetine 20 mg PO every a.m.: This prescription is clearly stated, with an appropriate dosage and frequency. Fluoxetine is commonly prescribed for depression and can be taken in the morning, making this prescription acceptable.
D. Guanfacine 1 mg PO daily: The prescription is straightforward and appropriate, as guanfacine is often used for attention deficit hyperactivity disorder (ADHD) or hypertension and can be taken daily. There are no concerns that require clarification with this prescription.
Correct Answer is ["2.5"]
Explanation
Step by step calculation:
Determinethetotaldailydosageingrams:0.032g
Convertgramstomilligrams:
0.032g×1000mg/g=32mg
Dividethetotaldailydoseintofourequaldoses:
Doseperadministration=32mg/4=8mg
Determinetheconcentrationavailable:16mg/5mL
Usetheformula:
Volume(mL)=Requireddose/(mg)Concentration(mg/mL)
First,findthemg/mLconcentration:
16mg/5mL=3.2mg/mL
Nowcalculatethevolume:
Volume(mL)=8mg/3.2mg/mL
Volume(mL)=2.5
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