What are the steps in calculating drug dosages using ratios and proportions?
Step one: Set up ratios. Step two: Multiply means and extremes Step three: Solve for “x” algebraically. Use drug calculations when calculating the quantity of medications needed for a patient and the strength of medication is already known.
What you want by what you’ve got drug calculation?
If you have an ampoule of 500mg in 4ml, and you need 200mg, it can appear to be a daunting calculation. The first step is to find out what volume contains 1mg (4/500) and then multiply it by how many mg you want (200). The common error here is to get it upside down, and divide what you’ve got by what you want.
Is there a nursing quiz for drug calculations?
Dosage (drug) calculations nursing comprehensive quiz for students! This drug calculations review contains questions that cover a wide variety of dosage calculations problems you will encounter on exams and on the job. Here are 13 categories you will be tested on with this quiz:
Why do you take the dosage and calculations test?
Dosage and Calculations Practice Tests are some of the most commonly-searched practice exams for both student nurses and nurses wanting to take licensure and certification exams. This is because when such items are asked in examinations, an examinee is expected to calculate and compute drug dosages for their patients.
What’s the correct dosage to give a 72 lb child?
The answer is D. 18. The doctor orders a medication dose of 300 mg daily for a child that weighs 72 lbs. The safe dosage range for the ordered medication is 10-12 mg/kg/day. What is the safe dosage range for this child and is this a proper dose? A. Yes, this is a safe dose. B. No, this is not a safe dose. A safe dose is 310.8-558.2 mg/day. C.
How many drops of normal saline per minute?
A health care provider’s prescription reads 1000 mL of normal saline (NS) to infuse over 12 hours. The drop factor is 15 drops (gtt)/1 mL. The nurse prepares to set the flow rate at how many drops per minute?