## ATI PN Management 2020

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### Total Questions : 86

Showing 10 questions, Sign in for more**A nurse is preparing to administer lactated Ringer's 250 mL IV to infuse over 30 min. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)**

__Explanation__

To calculate the mL/hr for the lactated Ringer's IV infusion over 30 minutes, you can use the following formula:

Rate (mL/hr)=Volume (mL)/Time (hr)

In this case:

Rate=250 mL/ 0.5 hr

Rate=500mL/hr

Therefore, the nurse should set the IV pump to deliver 500 mL/hr for the lactated Ringer's IV infusion over 1 hour.

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**A nurse is preparing to administer cefazolin 500 mg IM every 8 hr. Available is cefazolin 1 g vial. The package insert instructs adding sterile water 2.5 mL to yield cefazolin 330 mg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)**

__Explanation__

To calculate the volume (mL) that the nurse should administer per dose, you can use the following formula:

Volume (mL) = Dose (mg)/Concentration (mg/mL)

In this case:

Volume = 500 mg/ 330 mg/mL

Volume≈1.5mL

Therefore, the nurse should administer approximately 1.5 mL per dose of cefazolin 500 mg IM.

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**A nurse is preparing to administer furosemide 30 mg IM to a client. Available is furosemide 10 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)**

__Explanation__

To calculate the volume (mL) that the nurse should administer, you can use the following formula:

Volume (mL) = Dose (mg)/Concentration (mg/mL)

In this case:

Volume = 30 mg/10 mg/mL

Volume=3mL

Therefore, the nurse should administer 3 mL of furosemide 30 mg IM.

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**A nurse is reviewing a client's new prescription for indomethacin 100 mg PO now, then 50 mg PO TID with food for pain relief. Which of the following actions should the nurse take?**

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**A nurse is preparing to administer mycostatin 400,000 units PO every 6 hr. Available is mycostatin oral suspension 100,000 units/mL. How many ml should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)**

__Explanation__

To calculate the volume (mL) that the nurse should administer per dose, you can use the following formula:

Volume (mL) = Dose (units)/Concentration (units/mL)

In this case:

Volume = 400,000 units/100,000 units/mL

Volume=4mL

Therefore, the nurse should administer 4 mL of Mycostatin oral suspension per dose.

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**A nurse is preparing to administer tobramycin 3 mg/kg/day IM in three divided doses to a client who weighs 85 kg. Available is tobramycin 40 mg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)**

__Explanation__

To calculate the total daily dose of tobramycin, we use the formula:

Total Daily Dose (mg) = Dose (mg/kg/day) × Weight (kg)

Total Daily Dose (mg)=Dose (mg/kg/day)×Weight (kg)

In this case:

Total Daily Dose=3 mg/kg/day × 85 kg

Total Daily Dose=255mg/day

Since the total daily dose is divided into three doses, the nurse should administer:

Dose per Administration =Total Daily Dose/Number of Doses per Day

Dose per Administration = 255 mg/3

Dose per Administration≈85mg

Now, to calculate the volume (mL) to administer, we use the concentration of the available tobramycin solution:

Volume (mL)=Dose per Administration (mg)/Concentration (mg/mL)

In this case:

Volume=85mg/40mg/mL

Volume≈2.1mL

Therefore, the nurse should administer approximately 2.1 mL of tobramycin per dose, rounded to the nearest tenth.

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**A nurse is assisting in the care of a client who is to receive 0.9% sodium chloride 1,800 mL IV over 6 hr. The nurse should ensure the IV pump is set to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)**

__Explanation__

To calculate the infusion rate (mL/hr), you can use the following formula:

Infusion Rate (mL/hr)=Total Volume (mL)/Total Time (hr)

In this case:

Infusion Rate=1,800 mL/6 hr

Infusion Rate=300mL/hr

Therefore, the nurse should ensure the IV pump is set to deliver 300 mL/hr for the 0.9% sodium chloride infusion over 6 hours, rounded to the nearest whole number.

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**A nurse is preparing to administer methotrexate 7.5 mg subcutaneous for a client who has rheumatoid arthritis. Available is methotrexate 15 mg/0.4 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.)**

__Explanation__

To give a client with rheumatoid arthritis a subcutaneous dose of methotrexate 7.5 mg, the nurse needs to calculate the correct volume of the drug solution. T

he drug solution has a concentration of 15 mg/0.4 mL, which means that 0.4 mL of the solution contains 15 mg of methotrexate. To find the volume of the solution that contains 7.5 mg of methotrexate, the nurse can use a proportion:

15 mg/0.4 mL = 7.5 mg/x mL

Cross-multiplying and solving for x gives:

x = (0.4 mL x 7.5 mg) / 15 mg

x = 0.2 mL

Therefore, the nurse should administer 0.2 mL of the drug solution to deliver 7.5 mg of methotrexate subcutaneously.

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**A nurse is preparing to administer ketorolac 30 mg IM for a loading dose. Available is ketorolac injection 15 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero**

__Explanation__

To calculate the volume (mL) that the nurse should administer, you can use the following formula:

Volume (mL)=Dose (mg)/Concentration (mg/mL)

In this case:

Volume =30 mg/15mg/mL

Volume=2mL

Therefore, the nurse should administer 2 mL of ketorolac for the 30 mg loading dose, rounded to the nearest whole number.

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**A nurse is preparing to administer calcitonin 8 units/kg IM to a client who weighs 165 lb. Available is 200 units/mL. How many mL should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)**

__Explanation__

To calculate the volume (mL) that the nurse should administer, we can follow these steps:

Convert the weight from pounds to kilograms.

1 lb = 0.453592 kg

165 lb×0.453592 kg/lb≈74.843 kg

Calculate the total dose using the weight and prescribed dose:

Total Dose (units)=Dose per kg×Weight (kg)

Total Dose=8 units/kg×74.843 kg≈598.744 units

Determine the volume using the concentration of the available solution:

Volume (mL)=Total Dose (units)/Concentration (units/mL)

Volume =598.744 units/200 units/mL ≈ 2.994 mL

Therefore, the nurse should administer approximately 3 mL of calcitonin for the 8 units/kg IM dose, rounded to the nearest whole number.

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