Safety and Infection ControlQuestion 1608 of 2368
Which prescription entry for a medication dose follows the practice that helps prevent decimal errors?
- .5 mg
- 5.0 mg
- 0.50 mg
- 0.5 mg
Show answer
Correct answer: 0.5 mg
A leading zero should be used before a decimal, and a trailing zero should not be used. Only 0.5 mg follows both rules.
Source: Nursing Skills, 2nd edition (Open RN, Chippewa Valley Technical College, 2023), Math Calculations: Avoiding Medication Errors with Decimals. Licensed under CC BY 4.0.
Practice the topic "Safety and Infection Control"Questions last reviewed: 18 October 2026