A nurse is preparing to administer amikacin 5 mg/kg IM to a client who weighs 110 lb. Available is amikacin injection 250 mg/mL. How many mL should the nurse administer?
(Round the answer to the nearest whole number. Use a leading zero if applicable. Do not use a trailing zero.).
The Correct Answer is ["1"]
To solve this problem, we first need to convert the client’s weight from pounds to kilograms. Then, we can calculate the total amount of amikacin needed. Finally, we can find out how many milliliters of amikacin injection the nurse should administer.
- Convert the client’s weight to kilograms: Given that 1 kg = 2.2 lbs, we can calculate the client’s weight in kilograms as follows:
Weight in kg=Weight in lbsConversion factor=110 lbs2.2 lbs/kg≈50 kgWeight in kg=Conversion factorWeight in lbs=2.2 lbs/kg110 lbs≈50 kg
- Calculate the total amount of amikacin needed: The doctor ordered 5 mg of amikacin per kg of body weight, so the total amount of amikacin needed is:
Total amikacin=Dose per kg×Weight in kg=5 mg/kg×50 kg=250 mgTotal amikacin=Dose per kg×Weight in kg=5 mg/kg×50 kg=250 mg
- Find out how many milliliters of amikacin injection the nurse should administer: Given that the available amikacin injection is 250 mg/mL, we can calculate the volume of injection needed as follows:
Volume of injection=Total amikacinConcentration of injection=250 mg250 mg/mL=1 mLVolume of injection=Concentration of injectionTotal amikacin=250 mg/mL250 mg=1 mL
So, the nurse should administer 1 mL of amikacin injection.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale:
Consulting a pharmaceutical sales representative is not the best option. While they are knowledgeable about the medications they promote, their primary role is to market their company’s products, and they may not have comprehensive information about other medications.
Choice B rationale:
While a nursing team member can be a valuable resource, they may not have the specific knowledge about the medication in question. It’s also important to remember that medication information can change frequently, and relying on another person’s knowledge may lead to errors.
Choice C rationale:
The client’s family can provide useful information about how the client has been taking the medication at home, but they are unlikely to have detailed pharmacological knowledge about the medication.
Choice D rationale:
A nursing drug guide is a reliable and up-to-date resource that provides comprehensive information about medications, including indications, contraindications, dosages, potential side effects, and interactions. Therefore, when unfamiliar with a medication, the nurse should consult a nursing drug guide.
Correct Answer is B
Explanation
Choice A rationale:
Ketorolac is a non-steroidal anti-inflammatory drug (NSAID) used for pain relief after surgery. However, it’s not typically administered every 3 hours. Overuse can lead to serious side effects.
Choice B rationale:
If the client’s pain level remains high after receiving ketorolac, administering an opioid medication like oxycodone may be appropriate.
Choice C rationale:
While acetaminophen can be used for pain relief, rectal administration is not typically the first choice for postoperative pain management.
Choice D rationale:
It’s inappropriate to label a patient as exhibiting drug-seeking behaviors simply because their reported pain level remains high after medication. Pain is subjective and should be addressed appropriately.
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