A nurse is preparing to administer atenolol 50 mg PO every 12 hr. The amount available is atenolol 25 mg/tab. How many tablets should the nurse 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 ["2"]
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
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["150"]
Explanation
Identify the given information:
Total volume: 300 mL
Time: 2 hours
Determine the flow rate:
Set up a proportion to solve for the unknown flow rate (X):
300 mL/2 hr = X mL/1 hr
Cross-multiplying gives us:
300 mL x 1 hr = 2 hr x X mL
Simplifying:
300 = 2X
Solving for X:
X = 300 / 2 = 150 mL/hr
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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