The patient weighs lbs. The doctor orders a medication dose of mg daily for a child that weighs 72 lbs. What is the safe dosage range for this child and is this a proper dose? The doctor orders 25 mg of an IV medication that needs to be reconstituted. The instructions say 50 mg of the medication is to reconstitute with normal saline for a solution of 2. How many mL will you draw up to achieve this ordered dose?
The patient is ordered Glucerna 1. How much water will you add to dilute the tube feeding formula as prescribed? The patient weighs 55 lbs. What is the daily dose of medication the patient will receive? You can also take more fun nursing quizzes. Composed in these were the very first on-line drug calculation quiz pages on the web. They include tests, calculators and help on metric conversions, tablet, fluid dosages and IV flow rates. The Quiz Club has been updated to provide a friendly interface on both mobile and desk top devices.
Track your progress each session. University level and standard turorials on the rights of medication administration, basic mathematics revision, metric conversions, calculating body mass index, tablet dosages, fluid dosages, dosages by weight, Intravenous drip rates, and calculating the time of an intravenous infusion to finish.
Access interactive calculators which not only provide the answer but show the solution for any problem you pose. Tests questions are randomly generated based on real life prescription parameters. A solution is generated for any question which is passed on or found incorrect. There is also a quiz on prescription abbreviations. Here is a one minute tour of some of the features of the Drug Calculations Quiz Club. There is an intuitive user interface, high quality content and the capacity to practice until perfect on any device at any time as long as you have access to the internet.
When you have to round off a number like If the number in the tenths place is 5 or more, you would round up the 67 to 68 drops. Similarly, if you have to round off the number You will have to convert from one measurement system to another when the doctor's order, for example, orders a medication in terms of grains gr and you have the medication but it is measured in terms of milligrams mg.
In this case, you will have to mathematically convert the gr into mg. The table below shows conversion equivalents among the metric, apothecary and household measurement systems. The most frequently used conversions are shown below. It is suggested that you memorize these. If at any point you are not sure of a conversion factor, look it up. Accuracy is of paramount importance. The ratio and proportion method is the most popular methods for calculating dosages and solutions.
Although there are other methods, like dimensional analysis for example, that can also be used, only ratio and proportion will be used in this NCLEX-RN review for brevity sake.
A ratio is two or more pairs of numbers that are compared in terms of size; weight or volume. For example, the ratio of women less than 18 years of age compared to those over 18 years of age, who attend a specific college, can be 6 to 1.
This means that there are 6 times as many women less than 18 years old as there are women over 18 years of age. There are a couple of different ways that ratios can be written.
These different ways are listed below. Fill in the blank and write your answer using a whole number. A primary healthcare provider ordered ceftriaxone Rocephin for a 4-year old child with lower respiratory tract infection. How much of the medication will you administer in mL?
Fill in the blank and record your final answer using one decimal place. This is your study guide to help you refresh or review what you know about drug dosage calculations, including tips on answering them.
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Paul Martin is a registered nurse with a bachelor of science in nursing since Having worked as a medical-surgical nurse for five years, he handled different kinds of patients and learned how to provide individualized care to them.
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