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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale:
Fexofenadine can be taken with or without food, and there are no specific interactions with magnesium hydroxide. However, it’s always important to consult a healthcare provider before combining medications.
Choice B rationale:
While staying hydrated is generally good advice, there’s no specific requirement to drink up to one liter of fluid per day while taking fexofenadine.
Choice C rationale:
Fexofenadine should not be taken with fruit juices such as orange juice because they can decrease the absorption of the medication, making it less effective.
Choice D rationale:
Fexofenadine can cause side effects such as dizziness or drowsiness in some people. Therefore, it’s important to avoid driving or operating heavy machinery until you know how this medication affects you.
Correct Answer is C
Explanation
Choice A rationale:
Rifampin does not typically cause insomnia.
Choice B rationale:
Rifampin can cause a red or orange discoloration of body fluids, including urine, not blue or green.
Choice C rationale:
It is recommended to take rifampin on an empty stomach, either 1 hour before or 2 hours after a meal.
Choice D rationale:
Unusual hair growth is not a known side effect of rifampin.
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