CNA Certification (Written Exam)Basic Nursing SkillsEasy
When documenting a resident's intake, the nurse aide should remember that 1 ounce (oz) is equivalent to how many milliliters (mL)?
- A60 mL
- B15 mL
- C100 mL
- D30 mL
Show answer & explanationAnswer & explanation
Correct answer: D. 30 mL
The standard conversion factor for fluid intake and output is 1 ounce (oz) equals 30 milliliters (mL). This is a fundamental conversion for intake and output (I&O) charting.
Why the other options are wrong
- A. 60 mL is incorrect; it's double the correct conversion.
- B. 15 mL is incorrect; it's half of the correct conversion.
- C. 100 mL is incorrect; it's a non-standard conversion for ounces.
Fluid Conversion: Ounces to Milliliters
The standard conversion for fluid measurement is 1 ounce (oz) equals 30 milliliters (mL).
- Crucial for accurate I&O charting.
- Applies to all fluids (water, juice, soup, etc.).
- Used in healthcare settings globally.
Memory trick: One Ounce, Thirty Milliliters, Easy to Remember.