A nurse is preparing to administer quinapril 20 mg PO. Available is quinapril 40 mg tablets. How many tablets 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 ["0.5"]
To find the number of tablets,
we divide the total dosage in mg by the strength of each tablet in mg.
Let’s do the calculation:
Number of tablets=Strength of each tablet in mgTotal dosage in mg=40 mg/tablet20 mg=0.5 tablet
So, the nurse should administer 0.5 tablet of quinapril.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.5"]
Explanation
1. Heparin Dosage and Concentration:
Heparin dosage per dose: 10,000 units
Heparin concentration: 20,000 units/mL (available injection)
2. Volume Calculation:
We can use the following formula to find the volume to administer:
Volume (mL) = Dosage (units) / Concentration (units/mL)
Volume (mL) = 10,000 units / 20,000 units/mL
3. Rounding the Answer:
Round the calculated volume to the nearest tenth of a milliliter.
Volume (mL) = 0.5 mL (rounded to one decimal place)
Therefore, the nurse should administer 0.5 mL of heparin injection per dose.
Correct Answer is ["2.5"]
Explanation
1. Determine the concentration per milliliter (mL):
Concentration (mg/mL) = 250 mg (from the available syrup) / 5 mL (from the available syrup)
Concentration (mg/mL) = 50 mg/mL
2. Calculate the volume to administer based on medication concentration and prescribed dosage:
Dosage (mg) = 125 mg (prescribed amount)
Concentration (mg/mL) = 50 mg/mL (as calculated above)
We can use the following formula to find the volume to administer:
Volume (mL) = Dosage (mg) / Concentration (mg/mL)
Volume (mL) = 125 mg / 50 mg/mL
3. Round the answer to the nearest tenth:
Volume (mL) = 2.5 mL (rounded to one decimal place)
Therefore, the nurse should administer 2.5 mL of valproic acid syrup.
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