The nurse is reviewing a metric to household equivalent measurement conversion chart. Which of the following written equivalent measurements would the nurse question?
15 mL = 3 tsp/1 tbsp
10 mL = 2 tsp
30 mL = 6 tsp
30 mL = ½ OZ
The Correct Answer is D
A. 15 mL = 3 tsp/1 tbsp: This is a correct conversion. One teaspoon equals 5 mL, so 3 teaspoons equal 15 mL, which also equals 1 tablespoon. This measurement is accurate and safe for patient use.
B. 10 mL = 2 tsp: One teaspoon equals 5 mL, so 2 teaspoons equal 10 mL. This conversion is correct and aligns with standard household equivalents.
C. 30 mL = 6 tsp: Six teaspoons multiplied by 5 mL per teaspoon equals 30 mL. This conversion is accurate and does not require questioning.
D. 30 mL = ½ OZ: One ounce equals 30 mL, so ½ ounce equals 15 mL, not 30 mL. This conversion is incorrect and could result in a doubling of the prescribed dose, making it unsafe.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Given volume = 0.5 oz
Conversion factor: 1 oz = 30 mL
- Calculate the volume in milliliters (mL).
Volume (mL) = Volume in oz x Conversion factor
= 0.5 oz x 30 mL/oz
= 15 mL
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.
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