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 A
Explanation
A. Injected into the top layers of the skin: Intradermal injections are administered into the dermis, just below the epidermis. This route is commonly used for allergy tests and tuberculosis screening because it allows for slow absorption and visible wheal formation.
B. Inhaled through the mouth or nose: Inhalation delivers medication to the respiratory tract and is not related to intradermal administration. Using this route would not achieve the intended therapeutic or diagnostic effect.
C. Placed between the gum and lining of the cheek: This describes the sublingual or buccal route, which allows rapid absorption into the bloodstream. It does not correspond to intradermal injection and would not be appropriate for the ordered 0.1 mL dose.
D. Given into the muscle: Intramuscular injections deliver medication into muscle tissue, allowing faster absorption than intradermal injections. Administering the drug intramuscularly would be incorrect for a test or medication intended for intradermal delivery.
Correct Answer is D
Explanation
A. HEPARIN contains tall man lettering: Tall man lettering is used to differentiate look-alike or sound-alike drug names, usually by capitalizing parts of the name. In this case, the label uses all capital letters for the drug name, which is standard labeling, not tall man lettering.
B. HEPARIN is the brand name of the drug: HEPARIN is the generic name of the medication. Brand names are typically capitalized and trademarked, whereas this label shows the generic drug name.
C. The vial must be discarded after the first dose regardless of the dose administered: The label specifies it is a 1-mL multi-dose vial. Multi-dose vials are intended for multiple uses, so discarding after the first dose is unnecessary unless sterility is compromised.
D. The vial can be used for the administration of multiple doses: The label clearly states “1-mL Multi-Dose Vial,” indicating that it is designed for multiple administrations. Proper aseptic technique must be used for each withdrawal to maintain sterility.
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