A nurse is preparing to administer a liquids medication prescribed as 3 teaspoons. What is the most accurate metric equivalent for this dosage?
15 mL
20 mL
30 mL
10 mL
The Correct Answer is A
A. 15 mL: One teaspoon is equivalent to 5 mL in the metric system. Therefore, 3 teaspoons equal 3 × 5 mL = 15 mL. This ensures accurate dosing and patient safety.
B. 20 mL: Twenty milliliters would exceed the prescribed dose, resulting in a potential overdose if administered.
C. 30 mL: Thirty milliliters corresponds to 6 teaspoons or 2 tablespoons, which is double the prescribed 3 teaspoons and would be unsafe.
D. 10 mL: Ten milliliters equals 2 teaspoons, which is less than the prescribed amount, leading to underdosing and ineffective therapy.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. To identify the therapeutic class of the medication: Knowing the therapeutic class can provide context for its use, but it does not prevent administration errors or ensure the correct drug is given.
B. To ensure the correct medication is given to the right patient: Verifying the medication name multiple times is critical to prevent medication errors, particularly with drugs that have similar names. This step ensures the intended drug is administered safely to the correct patient.
C. To confirm the manufacturing date of the drug: While checking expiration or manufacturing dates is important for safety, it does not replace verification of the medication’s identity for accurate administration.
D. To determine the storage conditions required: Storage information helps maintain drug stability, but it is not the reason for multiple checks of the medication name before administration.
Correct Answer is D
Explanation
A. It identifies whether the medication is generic or brand name: While the label may indicate the medication name, the dosage strength specifically does not determine whether the drug is generic or brand; it focuses on the amount of active ingredient per unit.
B. It provides storage instructions for the medication: Storage instructions are typically included on the label separately, but the dosage strength itself does not guide storage requirements.
C. It helps calculate the total volume of medication needed: Dosage strength can assist in calculations, especially for liquid medications, but its primary purpose is not volume calculation; calculations depend on both prescribed dose and concentration.
D. It ensures the nurse administers the correct amount of medication: The dosage strength indicates how much active drug is present per tablet, capsule, or milliliter. Knowing this allows the nurse to administer the correct dose safely, preventing underdosing or overdosing and ensuring therapeutic effectiveness.
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