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 ["2"]
Explanation
To calculate the amount of ampicillin the nurse should administer per dose in milliliters (mL) for a 500 mg IM dose, we can use the following steps:
Given:
Ampicillin dose: 500 mg
Available concentration after reconstitution: 250 mg/mL
Volume of sterile water to be added: 1.8 mL
Step 1: Calculate the amount of ampicillin to be administered per dose in mL
First, we need to reconstitute the ampicillin vial to yield the desired concentration of 250 mg/mL.
The concentration after reconstitution is 250 mg/mL, and the total dose required is 500 mg. Therefore, the nurse needs to administer:
Volume = Ampicillin dose / Concentration
Volume = 500 mg / 250 mg/mL
Volume = 2 mL
Rounding to the nearest whole number:
Volume = 2 mL
Therefore, the nurse should administer 2 mL of the reconstituted ampicillin solution per dose.
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