A nurse is preparing to administer 0.3 g of lithium PO to a client. How many mg of lithium should the nurse administer to the client? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["300"]
Answer
The nurse should administer 300 mg of lithium.
Step-by-Step Calculation
Understanding the Problem
Desired lithium dose: 0.3 grams
Need to convert grams to milligrams
Calculations
1 gram = 1000 milligrams
0.3 grams = 0.3 X 1000 = 300 milligrams
The nurse should administer 300 mg of lithium.
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Related Questions
Correct Answer is ["2"]
Explanation
The nurse should administer 2 mL of risperidone.
Step-by-Step Calculation
Understanding the Problem
Desired risperidone dose: 25 mg
Available concentration: 25 mg/2 mL
We need to find the volume to administer.
Calculations
Since the desired dose (25 mg) is equal to the concentration per mL (25 mg/2 mL), we can directly administer the entire 2 mL vial.
The nurse should administer 2 mL of risperidone.
Correct Answer is ["1"]
Explanation
Step-by-Step Calculation
Understanding the Problem
Total daily dose of bupropion: 450 mg
Divided equally every 3 hours
Available tablets: 150 mg sustained-release
Calculating Doses per Day
There are 24 hours in a day.
Dividing the day into 3-hour intervals: 24 hours / 3 hours/dose = 8 doses per day
Calculating Dose per Administration
Total daily dose / Number of doses per day = Dose per administration
450 mg / 8 doses = 56.25 mg/dose
Determining Number of Tablets per Dose
Dose per administration / Strength of tablet = Number of tablets
56.25 mg/dose / 150 mg/tablet = 0.375 tablets/dose
Rounding and Adjusting
Since we can't administer part of a tablet, we round up to the nearest whole number: 1 tablet/dose.
The nurse should administer 1 tablet of bupropion 150 mg sustained-release per dose.
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