A student nurse makes the following statements regarding the units of measurements commonly found on drug labels. Which statement indicates a need for further clarification?
The units of measurement on drug labels help to identify the strength of the drug.
The unit of measurement labeled "unit" expresses the biological activity of the drug.
The mL, L, and meter are units of measurement found in the metric system.
The mEq unit of measurement has the same concentration of solution as the mcg.
The Correct Answer is D
A. The units of measurement on drug labels help to identify the strength of the drug: Units on labels indicate the precise amount or potency of a medication, which guides safe and accurate dosing for therapeutic effect.
B. The unit of measurement labeled "unit" expresses the biological activity of the drug: Some medications, such as insulin and heparin, are measured in units to reflect their biological activity rather than weight or volume, which is accurate.
C. The mL, L, and meter are units of measurement found in the metric system: Milliliters, liters, and meters are standard metric units for volume and length, commonly used in medication administration and clinical measurements.
D. The mEq unit of measurement has the same concentration of solution as the mcg: Milliequivalents (mEq) measure chemical activity or ion concentration, whereas micrograms (mcg) measure mass. These units are not equivalent, so this statement requires clarification.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. The tall man lettering helps to quickly identify that the drug is an injectable drug: Tall man lettering does not indicate the route of administration. Injectable and oral forms can both use tall man lettering if name confusion is possible.
B. The tall man lettering means that this drug contains a boxed warning: Boxed warnings are indicated separately on labeling and in the prescribing information, not by tall man lettering. Tall man lettering addresses name confusion, not risk level.
C. The tall man lettering means this is a high-alert drug: High-alert medications are identified by special warnings, not by tall man lettering. Tall man lettering specifically targets drugs with look-alike or sound-alike names.
D. The tall man lettering helps to distinguish this drug from other drugs that have similar names: Tall man lettering emphasizes differences in similar drug names (e.g., “predniSONE” vs. “prednisoLONE”) to prevent medication errors. This strategy is designed to reduce confusion and improve patient safety.
Correct Answer is C
Explanation
A. That every tablespoon has 300 mg of the drug: One tablespoon is 15 mL, which in this preparation contains 300 mg only after reconstitution. However, instructing the patient this way could lead to dosing errors, especially if they use household utensils instead of an accurate measuring device.
B. That every teaspoon has 300 mg of the drug: One teaspoon equals 5 mL, which contains 100 mg after reconstitution. Telling the patient that a teaspoon has 300 mg would result in a threefold overdose, making this statement unsafe.
C. That they should use a measuring device that accurately measures mL: Using an oral syringe or dosing cup ensures precise measurement of the prescribed 100 mg (5 mL) dose. This method minimizes errors and promotes safe administration, particularly for pediatric or adult liquid medications.
D. That they should mix the ordered dose with an 8-oz glass of water: The preparation instructions specify adding 9 mL of water to reconstitute the medication, not mixing the dose in a glass of water. Following this incorrect instruction could result in improper concentration and dosing errors.
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