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.).

Answer and Explanation

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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Correct Answer is A

Explanation

Choice A rationale:

A respiratory rate of 10/min is lower than the normal range (12-20 breaths per minute for adults), indicating respiratory depression, which is a serious side effect of morphine and should be reported immediately.

Choice B rationale:

Facial flushing is a common side effect of morphine due to histamine release but it’s not life-threatening.

Choice C rationale:

Constipation is a common side effect of morphine and can be managed with laxatives and diet.

Choice D rationale:

Blood pressure 88/56 mm Hg is lower than the normal range (90/60mmHg to 120/80mmHg), indicating hypotension, which can be a side effect of morphine but it’s not as immediately life-threatening as respiratory depression.

A. "Using morphine PCA increases the client's risk of toxicity.” B. "Diarrhea is an adverse effect of morphine PCA.” C. "Check the client's pain level every 8 hours.” D. "Instruct the client's visitors not to operate the PCA pump.”

Correct Answer is D

Explanation

Choice Arationale:

Using PCA does not necessarily increase the client’s risk of toxicity. PCA allows the client to self-administer preset doses of pain medication, which can lead to better pain control with less risk of overdose.

Choice B rationale:

Diarrhea is not a common adverse effect of morphine. Constipation, not diarrhea, is a common side effect due to slowed gastrointestinal motility.

Choice Crationale:

Checking the client’s pain level every 8 hours is not sufficient when using PCA. Pain levels should be assessed more frequently, ideally before and after each administration of the medication. This allows for timely adjustments to the medication regimen if needed.

Choice D rationale:

Instructing the client’s visitors not to operate the PCA pump is crucial. Only the patient should administer doses to prevent overdose.

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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.).

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is assisting in the care of a client who is receiving morphine via a continuous epidural infusion.Which of the following findings should the nurse report to the provider immediately?

Correct Answer is A

Explanation

A nurse is reinforcing teaching with a newly licensed nurse about monitoring morphine patient-controlled analgesia (PCA). Which of the following information should the nurse include?

Correct Answer is D

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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.).