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NR 226 Quiz 1

NR 226 Quiz 1

Student Name

Chamberlain University

NR-226: Fundamentals – Patient Care

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Date

Dimensional Analysis Calculations in Medication Administration

This section outlines dimensional analysis for calculating the correct dosages of various medications. Each question includes a breakdown of the available dose, the ordered dose, and the calculated amount to be administered.

Dimensional Analysis Calculations (Table Format)

QuestionOrdered DoseAvailable DoseCalculation Using Dimensional AnalysisAnswer
1Cephalexin 325 mg orallyCephalexin 250 mg/2 mL2 mL250 mg×325 mg\frac{2 \, \text{mL}}{250 \, \text{mg}} \times 325 \, \text{mg} = 2.6 mL2.6 mL
2Amoxicillin 2.4 g orallyAmoxicillin 600 mg/10 mL10 mL600 mg×2400 mg\frac{10 \, \text{mL}}{600 \, \text{mg}} \times 2400 \, \text{mg} = 40 mL40 mL
3Diphenhydramine HCl 37.5 mg orallyDiphenhydramine 12.5 mg/10 mL10 mL12.5 mg×37.5 mg\frac{10 \, \text{mL}}{12.5 \, \text{mg}} \times 37.5 \, \text{mg} = 30 mL30 mL
4Potassium Chloride 60 mEq orallyPotassium Chloride 40 mEq/10 mL10 mL40 mEq×60 mEq\frac{10 \, \text{mL}}{40 \, \text{mEq}} \times 60 \, \text{mEq} = 15 mL15 mL
5Gabapentin 275 mg orallyGabapentin 250 mg/10 mL10 mL250 mg×275 mg\frac{10 \, \text{mL}}{250 \, \text{mg}} \times 275 \, \text{mg} = 11 mL11 mL

Additional Calculations (Table Continuation)

QuestionOrdered DoseAvailable DoseCalculation Using Dimensional AnalysisAnswer
6Morphine Sulfate 60 mg orallyMorphine Sulfate 20 mg/10 mL10 mL20 mg×60 mg\frac{10 \, \text{mL}}{20 \, \text{mg}} \times 60 \, \text{mg} = 30 mL = 6 tsp6 tsp
7Tolbutemide 0.5 g orallyTolbutemide 250 mg/tablet1 tab250 mg×500 mg\frac{1 \, \text{tab}}{250 \, \text{mg}} \times 500 \, \text{mg} = 2 tablets2 tablets
8Potassium Chloride 50 mEq orallyPotassium Chloride 20 mEq/tablet1 tab20 mEq×50 mEq\frac{1 \, \text{tab}}{20 \, \text{mEq}} \times 50 \, \text{mEq} = 2.5 tablets2.5 tablets
9Metformin 0.5 g orallyMetformin 1000 mg/tablet1 tab1000 mg×500 mg\frac{1 \, \text{tab}}{1000 \, \text{mg}} \times 500 \, \text{mg} = 0.5 tablets0.5 tablets
10Atorvastatin 50 mg orallyAtorvastatin 50 mg/tablet1 tab50 mg×50 mg\frac{1 \, \text{tab}}{50 \, \text{mg}} \times 50 \, \text{mg} = 1 tablet1 tablet

 

References

American Psychological Association. (2020). Publication manual of the American Psychological Association (7th ed.). Washington, DC: Author.

NR 226 Quiz 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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