A nurse is preparing to administer ziprasidone 17.5 mg IM to a client. Available is ziprasidone 20 mg/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.)
The Correct Answer is ["0.9"]
Identify the Desired Dose and Available Concentration:
Desired Dose: 17.5 mg of ziprasidone
Available Concentration: 20 mg/mL (This means there are 20 mg of ziprasidone in every 1 mL of solution)
Set up the Calculation:
We need to find the volume (in mL) that contains the desired dose of 17.5 mg.
We can use the following formula:
Volume (mL) = Desired Dose (mg) / Available Concentration (mg/mL)
Plug in the Values and Calculate:
Volume (mL) = 17.5 mg / 20 mg/mL
Volume (mL) = 0.875 mL
Round to the Nearest Tenth:
0.9 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["300"]
Explanation
Identify the Given Dose:
The prescribed dose is 0.3 grams (g).
Convert Grams to Milligrams:
We need to convert grams (g) to milligrams (mg) because medication dosages are often expressed in milligrams.
There are 1000 milligrams in 1 gram (1 g = 1000 mg).
0.3 g x 1000 mg/g = 300 mg
Correct Answer is ["0.6"]
Explanation
Identify the Desired Dose and Available Concentration:
Desired Dose: 30 mg of diphenhydramine
Available Concentration: 50 mg/mL (This means there are 50 mg of diphenhydramine in every 1 mL of solution)
Set up the Calculation:
We need to find the volume (in mL) that contains the desired dose of 30 mg.
We can use the following formula:
Volume (mL) = Desired Dose (mg) / Available Concentration (mg/mL)
Plug in the Values and Calculate:
Volume (mL) = 30 mg / 50 mg/mL
Volume (mL) = 0.6 mL
Round to the Nearest Tenth :
0.6 mL
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