A nurse is preparing to administer aspirin 650mg PO every 12hr. The amount available is aspirin 325mg tablets. How many tablets should the administer? Round of to the nearest whole number. Use a leading zero if it applies. Do not use trailing zero.
The Correct Answer is ["2"]
Here's how to calculate the number of tablets:
Desired dose: 650 mg
Available dose: 325 mg/tablet
Number of tablets: Desired dose / Available dose:
650 mg / 325 mg/tablet = 2 tablets
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Related Questions
Correct Answer is D
Explanation
A) 0.20 mg: Although this representation of two-tenths of a milligram is correct, the trailing zero (the "0" after the decimal) is not typically necessary and can potentially lead to confusion. Standard practice generally omits trailing zeros to prevent errors in medication administration.
B) 2.0 mg: This represents two milligrams, not two-tenths of a milligram. The magnitude of the dose is significantly different from what is intended, making this option incorrect for representing two-tenths of a milligram.
C) .2 mg: This format lacks a leading zero before the decimal point, which can lead to misinterpretation or errors. The absence of the leading zero may cause confusion, especially in situations where decimal points are misread.
D) 0.2 mg: This is the most appropriate and clear way to write two-tenths of a milligram. It includes the leading zero before the decimal point, which helps to avoid confusion and accurately communicates the dose. This format adheres to standard practices for dosing precision and clarity.
Correct Answer is ["1.2"]
Explanation
Let's calculate the dosage step-by-step:
1. Convert pounds to kilograms:
33 lbs x 0.453592 kg/lb ≈ 14.97 kg
2. Calculate the total daily dosage:
8 mcg/kg/day x 14.97 kg ≈ 119.76 mcg/day
3. Calculate the dosage per dose (divided equally every 12 hours):
119.76 mcg/day / 2 doses ≈ 59.88 mcg/dose
4. Convert micrograms to milligrams:
59.88 mcg = 0.05988 mg
5. Calculate the volume needed from the elixir:
0.05988 mg / 0.05 mg/mL ≈ 1.2 mL
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