A nurse is preparing a medication for a client and is converting grams to milligrams. Which of the following actions should the nurse take?
Move the decimal point 2 places to the right
Move the decimal point 3 places to the left.
Move the decimal point 3 places to the right
Move the decimal point 2 places to the left.
The Correct Answer is C
A. Move the decimal point 2 places to the right: To convert grams to milligrams, the decimal is moved 3 places to the right (1 gram = 1000 mg).
B. Move the decimal point 3 places to the left. This action would convert milligrams to grams, not the other way around.
C. Move the decimal point 3 places to the right.
When converting from grams (g) to milligrams (mg), the nurse must recognize that 1 gram = 1,000 milligrams. Grams to milligrams: To convert grams to milligrams, the nurse must multiply by 1,000, which involves moving the decimal point 3 places to the right.
D. Move the decimal point 2 places to the left. This would incorrectly convert from grams to a smaller unit.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Notify the provider immediately if urine turns red-brown in color. Phenytoin can cause urine discoloration, but this is not typically a cause for immediate concern.
B. Obtain an annual flu vaccine while taking phenytoin. While vaccinations are important, there is no specific requirement for flu vaccination solely based on phenytoin use.
C. Shake the suspension vigorously prior to pouring the medication. Phenytoin suspension should be shaken gently to ensure even distribution of the medication.
D. Take an antacid with the medication to avoid gastric upset. Antacids should not be taken simultaneously with phenytoin, as they can decrease its absorption.
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.
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