Pharmacology PrepU Chapter 3: Making drug dosing safer

The nurse is confirming the dosage of a prescribed medication ordered for a child. What assessment data should the nurse obtain to most accurately confirm that the dose is safe and effective?

Child's body surface area

The nursing student learns that the apothecary system was at one time used for weight but was recently eliminated for which reasons?

It produced a high rate of errors

A nurse is preparing to administer a parenteral medication. Which form of the medication will be used?

liquid

A nurse is to administer 175 mg of a medication intramuscularly. The label on the multidose vial states that the concentration is 100 mg/mL. What volume of the drug should the nurse administer? (Record your answer using two decimal places.)

1.75

A client has not had a bowel movement for four days and has been prescribed milk of magnesia 2 teaspoons orally as needed for relief of constipation. How many mL should the nurse administer?

10ml

A child weighs 11 kilograms. The health care provider orders a drug as follows: 0.2 mg/kg intravenously. What dose should the nurse administer?

2.2 :Using the mg/kg method, the nurse would set up this calculation: 0.2 mg/1 kg = X mg/11 kg; Cross multiplying and solving for X: X = 0.2 × 11; X = 2.2 mg.

A client is experiencing pain, as states that in the past she had been prescribed codeine ½ grain every 4 hours. How many milligrams of codeine was the client taking with each dose?

30 mg :The simplest way to convert measurements from one system to another is to set up a ratio and proportion equation. The ratio containing two known equivalent amounts is placed on one side of an equation, and the ratio containing the amount you wish to convert and its unknown equivalent is placed on the other side. 60 mg/1 grain = X mg/0.5 grains. Cross-multiplying yields 30 mg.

The nursing student is studying drug dosing with liquids. The student knows that a specific amount of drug will be in a given volume. A particular drug label reads "Augmentin 125 mg/5 mL." Which is the correct volume?

5ml

According to protocol, a nursing student is required to complete metric conversions to ensure accurate administration of medication dosage. What does this indicate?

A nurse must possess a basic understanding of mathematics

The nurse recognizes that what system is being used when seeing a medication ordered in minims?

Apothecary

A home care nurse is to administer one aspirin a day to the client. The client has the over-the-counter medication in two forms. The first is available in the form of 325-mg scored tablets. The second is a Lo-dose aspirin of 81mg aspirin. What would the nurse's action be?

Consult the health care provider

The nurse is using dimensional analysis to perform a dosage calculation. What should the nurse do as the first step in this process?

Identify the unit of measure to be calculated

The nursing student has learned that drug labels contain two names: trade name and generic name. The student demonstrates an understanding of the differences between the two when stating which of the following?

The trade name is the same as the brand name.

The nurse using the manual redundacy system checks all medications for accuracy. To catch potential errors in drug preparation, the nurse must perform which?

five rights and three checks

The nurse, when using the method of dispensing drugs in which each tablet or capsule is packaged separately. Which dispensing method is this?

unit dose method