A nurse is assisting in preparing an in-service program about preventing medication errors when transcribing a prescription. The nurse is using a dosage example of two tenths of a milligram. Which of the following transcription examples should the nurse use?
2.0 mg
0.2 mg
.2 mg
0.20 mg
0.20 mg
The Correct Answer is B
A. 2.0 mg: This notation indicates two milligrams, which is not equivalent to two tenths of a milligram.
B. 0.2 mg: This is the proper way to write two tenths of a milligram.
C. .2 mg: While it may be understood, it is not the preferred notation because it lacks a leading zero, which can lead to misinterpretation.
D. 0.20 mg: This is technically correct but not necessary. It suggests more precision than needed for two tenths and can be misinterpreted as a larger dose.
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Related Questions
Correct Answer is B
Explanation
A. "Stomach acid will inactivate some of the medication if I crush the medication." The purpose of the enteric coating is to protect the stomach lining from irritation, not to prevent inactivation by stomach acid.
B. "If I crush it you might experience a stomach ache or indigestion."Enteric-coated (EC) medications are designed with a special outer layer that resists dissolving in the highly acidic environment of the stomach. Instead, they are meant to dissolve in the more alkaline environment of the small intestine. Aspirin is a gastric irritant; crushing the enteric coating exposes the stomach lining directly to the medication, significantly increasing the risk of gastric irritation or even GI bleeding.
C. "That would release all the medication at once, rather than over time."This describes extended-release (ER/XR/SR) or sustained-release medications. While some enteric-coated pills may have delayed absorption, the primary purpose of an enteric coating is site-specific dissolution (intestine vs. stomach) rather than controlled release over a specific number of hours.
D. "I will crush it and mix it in some ice cream for you." Crushing enteric-coated medications is contraindicated, and it could cause harm.
Correct Answer is B
Explanation
A. 2.0 mg: This notation indicates two milligrams, which is not equivalent to two tenths of a milligram.
B. 0.2 mg: This is the proper way to write two tenths of a milligram.
C. .2 mg: While it may be understood, it is not the preferred notation because it lacks a leading zero, which can lead to misinterpretation.
D. 0.20 mg: This is technically correct but not necessary. It suggests more precision than needed for two tenths and can be misinterpreted as a larger dose.
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