A nurse l preparing to administer methylprednisolone acetate 60 mg IM weekly. Available is methylprednisolone acetate suspension for injection 80 mg/mL. How many mi should the nurse administer per dose? (Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use trailing zero.)
The Correct Answer is ["0.75"]
Set up the dosage calculation:
Desired dose: 60 mg
Available concentration: 80 mg/mL
We need to find out how many mL will contain 60 mg of methylprednisolone acetate.
Use the formula:
Volume (mL) = Desired dose (mg) / Available concentration (mg/mL)
Plug in the values and calculate:
Volume (mL) = 60 mg / 80 mg/mL
Volume (mL) = 0.75 mL
Round to the nearest hundredth:
0.75mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["5000000"]
Explanation
Determine the conversion factor:
There are 1,000,000 micrograms (mcg) in 1 gram (g).
Convert grams to micrograms:
To convert 5 grams to micrograms, we can multiply by the conversion factor:
5g x 1,000,000 mcg/g = 5,000,000 mcg
Correct Answer is C
Explanation
A. Now:
A "now" prescription typically refers to a medication that should be administered immediately, but it is not a standing order like a "stat" order. It is intended for situations that require prompt action but do not need to be given immediately (e.g., within an hour). Since the albuterol inhaler prescription is for as-needed use rather than for immediate administration, it does not meet the definition of a "now" order.
B. Standard:
A "standard" prescription typically refers to a regular, scheduled medication that a client is to take at specific intervals, such as every day or every few hours, regardless of symptoms. Albuterol in this case is prescribed on an as-needed basis ("every 4 to 6 hours as needed for asthma"), not on a regular schedule. Therefore, this is not a "standard" order.
C. PRN:
"PRN" (pro re nata) is a prescription for medication that is to be taken as needed, based on the client's symptoms or condition. The prescription for albuterol indicates that the child should inhale 1 to 2 puffs "every 4 to 6 hours as needed for asthma," which fits the definition of a PRN order. The medication is to be used based on the child's asthma symptoms or flare-ups, making this a PRN prescription.
D. Single:
A "single" prescription is one that is to be administered only once, often for a one-time dose, such as for a single event or procedure. Since the albuterol prescription is for ongoing use ("every 4 to 6 hours as needed"), it does not fit the definition of a "single" prescription. This prescription is for multiple doses over time, not just a one-time administration.
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