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A nurse is preparing to administer magnesium sulfate 1g over 4hr by continuous IV infusion. Available is magnesium sulfate 1 g in 0.9% sodium chloride 100 mL. 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.)

Answer and Explanation

The Correct Answer is ["25"]

Identify the Total Volume and Infusion Time:

Total Volume: 100 mL

Infusion Time: 4 hours

Calculate the Infusion Rate (mL/hr):

We need to find out how many mL should be infused per hour.

We can use the following formula:

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

Plug in the Values and Calculate:

Infusion Rate (mL/hr) = 100 mL / 4 hours

Infusion Rate (mL/hr) = 25 mL/hr

Round to the Nearest Whole Number (if necessary):

25 mL/hr

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Correct Answer is ["0.25"]

Explanation

Order: Filgrastim 250 mcg (micrograms)

Desired Unit: mg (milligrams)

Step 1: Conversion Factor

We need to know the relationship between micrograms (mcg) and milligrams (mg).

1 mg = 1000 mcg

Step 2: Set Up the Conversion

We want to convert 250 mcg to mg. To do this, we'll divide the given dose (250 mcg) by the conversion factor (1000 mcg/mg):

250 mcg x (1 mg / 1000 mcg)

Step 3: Perform the Calculation

Multiply the numerators: 250 x 1 = 250

Multiply the denominators: 1 x 1000 = 1000

Divide the result: 250 / 1000 = 0.25

Step 4: Answer with Correct Units and Rounding

The result is 0.25 mg.

The problem asks us to round to the nearest hundredth, which we already have (0.25).

The problem also states to use a leading zero if it applies (which it does) and not use a

trailing zero (which we don't have).

Answer: 0.25 mg

A. The medication can be used for up to 14 days after reconstitution B. The medication should be reconstituted with 0.9% sodium chloride solution C. The medication can be used for IV administration D. The vial contains a single dose.

Correct Answer is C

Explanation

A. The medication can be used for up to 14 days after reconstitution: The label states that the reconstituted solution should be used within 48 hours and discarded afterward, making this option incorrect.

B. The medication should be reconstituted with 0.9% sodium chloride solution: The label specifies that the medication should be reconstituted with bacteriostatic water for injection USP with benzyl alcohol, not 0.9% sodium chloride solution.

C. The medication can be used for IV administration: The label states that the medication is for intramuscular (IM) or intravenous (IV) use, confirming that IV administration is appropriate.

D. The vial contains a single dose: The label indicates that this is a multiple-dose vial, meaning it can be used for more than one administration.

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