A nurse is preparing to administer ibuprofen 10 mg/kg PO every 6 to 8 hr PRN pain to a child who weighs 55 lb. Available is ibuprofen suspension 100 mg/5 mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["12.5"]
Step-by-Step Solution:
Convert the child's weight from pounds to kilograms.
1 pound is= 0.453592 kilograms.
55 pounds = 55 x 0.453592 = 24.94756 kilograms.
Calculate the total dose of ibuprofen.
The prescribed dose is 10 mg/kg.
The child weighs 24.94756 kg.
The total dose = 10 mg/kg x 24.94756 kg = 249.4756 mg.
Calculate the volume of ibuprofen suspension to administer.
The available ibuprofen suspension is 100 mg/5 mL.
To find the volume, we can set up a proportion:
100 mg / 5 mL = 249.4756 mg / x mL
Cross-multiplying:
100x = 249.4756 x 5
Solving for x:
x = (249.4756 x 5) / 100 = 12.47378 mL
Round the answer to the nearest tenth.
12.5 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A) Give the client two troches in the morning and two troches in the evening:
While this option describes the correct number of doses, it does not address the critical aspect of how the troche should be administered. The troche must dissolve in the mouth, not be swallowed immediately, and the focus should be on how the medication is used rather than the total number of doses per day. The timing of doses (morning and evening) is correct, but the method of administration needs further clarification.
B) Tell the client to keep the troche under the tongue for 5 min before swallowing it:
Troches should not be kept under the tongue or swallowed after a short duration. The medication is intended to dissolve in the mouth, where it can act locally. Keeping it under the tongue or swallowing it too soon would reduce its efficacy in treating fungal infections of the mouth or throat. Therefore, this instruction is incorrect.
C) Instruct the client to swallow the troche with 240 mL (8 oz) water:
Swallowing the troche with water is not appropriate because it prevents the medication from dissolving properly in the mouth. Nystatin troches are designed to dissolve slowly in the mouth, releasing medication to treat the infection. Swallowing it immediately would bypass the intended mechanism of action. Therefore, this instruction is incorrect.
D) Withhold oral intake until the troche dissolves in the client's mouth:
This is the correct instruction. Nystatin troches need to dissolve slowly in the mouth to ensure the medication can work locally on the fungal infection. The client should not swallow the troche immediately and should wait until it has fully dissolved, which can take several minutes. This allows for the proper therapeutic effect in treating infections of the mouth or throat.
Correct Answer is ["1"]
Explanation
Step-by-Step Solution:
Convert the child's weight from pounds to kilograms.
1 pound is =0.453592 kilograms.
86 pounds = 86 x 0.453592 = 38.999952 kilograms.
Calculate the total daily dose of quinine.
The prescribed dose is 25 mg/kg/day.
The child weighs 38.999952 kg.
The total daily dose = 25 mg/kg/day x 38.999952 kg = 974.9988 mg/day.
Determine the dose per administration.
The total daily dose is divided into three equal doses (every 8 hours).
The dose per administration = 974.9988 mg/day / 3 = 324.9996 mg per dose.
Calculate the number of tablets to administer per dose.
Each tablet contains 325 mg of quinine.
To find the number of tablets, divide the dose per administration by the amount of quinine per tablet:
Number of tablets = 324.9996 mg / 325 mg/tablet = 0.999999 tablets
Round the answer to the nearest whole number: 1 tablet.
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