Order: Metoprolol 3.5 mg IV push
On hand: 1 mg/mL vials
How many milliliters will the nurse draw up to administer this dose?
No answer is provided
No answer is too low
No answer is too high
3.5
The Correct Answer is D
Choice A reason: This choice is incorrect because it does not provide a numerical answer to the question.
Choice B reason: This choice is incorrect because it does not provide a specific answer to the question. It also implies that there is an answer that is lower than the correct one, which is not true.
Choice C reason: This choice is incorrect because it does not provide a specific answer to the question. It also implies that there is an answer that is higher than the correct one, which is not true.
Choice D reason: This choice is correct because it is the result of dividing the ordered dose (3.5 mg) by the concentration of the vial (1 mg/mL). The formula for calculating the volume to be drawn up is:
Volume = Dose/Concentration
Therefore, the volume to be drawn up is:
Volume = 3.5 mg/(1 mg/mL) = 3.5 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["30"]
Explanation
To convert 1 ounce (oz) of magnesium hydroxide to milliliters (mL), we can use the given metric equivalent:
1 ounce (oz) = 30 mL
Therefore, 1 ounce (oz) is equal to 30 mL.
Correct Answer is ["1.1"]
Explanation
To calculate the amount of cefazolin that the nurse should add to the 50 mL of 0.9% sodium chloride, we can use the following steps:
Calculate the amount of cefazolin needed to prepare the solution:
- The concentration to be achieved is 225 mg/mL.
- The required dose is 250 mg.
Calculate the volume of cefazolin needed:
- 250 mg ÷ 225 mg/mL = 1.111... mL
- Rounded to the nearest tenth, the nurse should add 1.1 mL of cefazolin to the 50 mL of 0.9% sodium chloride.
Therefore, the nurse should add 1.1 mL of cefazolin to the 50 mL of 0.9% sodium chloride to prepare the solution for IV administration.
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