A nurse is preparing to administer vancomycin 500 mg via intermitent IV bolus to a client. Available is vancomycin powder for injection 1 g vial. The nurse reconstitutes the powder for a final concentration of vancomycin 5 mg/mL. How many mL 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 ["100"]
First, we need to determine how many milligrams of vancomycin are in each milliliter of the reconstituted solution:
1 g = 1,000 mg
If we reconstitute 1 g of vancomycin powder for injection in enough diluent to make a final volume of 200 mL, the concentration will be:
1,000 mg ÷ 200 mL = 5 mg/mL
Now, we can calculate how many milliliters of the reconstituted solution the nurse should administer to deliver 500 mg of vancomycin:
500 mg ÷ 5 mg/mL = 100 mL
Therefore, the nurse should administer 100 mL of the reconstituted vancomycin solution via intermitent IV
bolus.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.9"]
Explanation
First, you need to convert the client's weight from pounds to kilograms. There are approximately 2.2 pounds in 1 kilogram, so 99 lb / 2.2 = 45 kg. The dose of morphine is 0.2 mg/kg, so for a client who weighs 45 kg, the dose would be 0.2 mg/kg * 45 kg = 9 mg. To calculate the number of mL the nurse should administer, you need to divide the dose of morphine (9 mg) by the concentration of the morphine injection (10 mg/mL). This gives you 9 mg / (10 mg/mL) = 0.9 mL. When rounded to the nearest tenth, this remains
0.9 mL. So, the nurse should administer 0.9 mL of morphine injection.
Correct Answer is D
Explanation
Answer: D. with "EP116" stamped on one side of the tablet.
Rationale:
A. As a round, white tablet:
While furosemide may come in white tablet form, this description alone is not specific enough to identify the correct medication. Multiple medications can appear as round white tablets, so this option lacks distinguishing detail.
B. As a multicolored capsule:
Furosemide 20 mg is not typically manufactured as a multicolored capsule. This appearance is more commonly associated with other medications, and using this could increase the risk of medication administration error.
C. with Furosemide 20 mg printed on the side of the capsule:
Furosemide tablets are usually stamped with manufacturer-specific codes, not printed with the full name and dosage. Capsules with this exact labeling are not standard for furosemide 20 mg.
D. with "EP116" stamped on one side of the tablet:
This is the specific imprint used to identify furosemide 20 mg tablets. The imprint “EP116” confirms the correct drug and dose and is used to verify medication identity before administration.
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