CNA Certification (Written Exam)Infection Control and SafetyMedium
A nurse aide is asked to document a resident's fluid intake. The resident drank a half-pint of milk and 4 ounces of juice. How many milliliters (mL) should the nurse aide record?
- A480 mL
- B240 mL
- C360 mL
- D120 mL
Show answer & explanationAnswer & explanation
Correct answer: C. 360 mL
A half-pint is equal to 8 ounces. Therefore, the resident consumed 8 ounces (milk) + 4 ounces (juice) = 12 ounces total. Since 1 ounce = 30 mL, 12 ounces * 30 mL/ounce = 360 mL.
Why the other options are wrong
- A. This would be 16 ounces (480 mL), which is a full pint, not a half-pint plus 4 ounces.
- B. This would be 8 ounces (240 mL), which is a half-pint of milk only, not including the juice.
- D. This would be 4 ounces of juice (120 mL) or 4 ounces of milk, not the total.
Fluid Intake Conversion
Converting common fluid measurements (ounces, pints, cups) into milliliters for accurate intake and output documentation.
- 1 ounce (oz) = 30 milliliters (mL).
- 1 cup = 8 ounces = 240 mL.
- 1 pint = 16 ounces = 480 mL.
Memory trick: Thirty for every ounce, then sum it up with grace.