A nurse is preparing to administer hydrocortisone 150 mg IM daily to a client. Available is hydrocortisone 400 mg/2 mL. How administer per dose? Round off to the nearest tenths place. Enter numeric value only (numbers and decimal points only, no commas or labels)
The Correct Answer is ["0.8"]
Identify the formula for volume to administer:
Volume (mL)=Dose ordered (mg)/Available concentration (mg/mL)
Determine the concentration (mg/mL):
Available concentration=400 mg/2 mL=200 mg/mL
Substitute the given values into the formula:
Dose ordered = 150 mg
Concentration = 200 mg/mL
Volume=150/200=0.75 mL
Round to the nearest tenth if necessary:
0.75mL rounds to 0.8 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2"]
Explanation
Identify the given information:
Prescribed dose: 50 mg of atenolol per dose
Available tablets: 25 mg tablets
Determine the number of tablets per dose:
Find how many 25 mg tablets are needed to make 50 mg of atenolol.
Set up a proportion to solve for the unknown number of tablets (X):
25 mg/tablet = 50 mg/X tablets
Cross-multiplying gives us:
25 mg x X tablets = 50 mg x 1 tablet
Simplifying:
25X = 50
Solving for X:
X = 50 / 25 = 2 tablets
Correct Answer is ["1.3"]
Explanation
Identify the given information:
Prescribed dose: 12.5 mg of diphenhydramine elixir
Available concentration: 50 mg/5 mL
Determine the volume to be administered:
We can set up a proportion to solve for the unknown volume (X):
50 mg/5 mL = 12.5 mg/X mL
Cross-multiplying gives us:
50 mg x X mL = 12.5 mg x 5 mL
Simplifying:
50X = 62.5
Solving for X:
X = 62.5 / 50 = 1.25 mL
Round off to the nearest tenth:
1.25 rounds off to 1.3 mL
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