CNA Certification (Written Exam)Basic Nursing SkillsEasy
A nurse aide is measuring a resident's height. The resident can stand but uses a walker for support. Which is the most accurate method to measure this resident's height?
- AMeasure the resident from head to heel while lying in bed.
- BEstimate the resident's height based on their arm span.
- CUse a standing scale with a height rod, ensuring the resident stands erect.
- DHave the resident stand against a wall and mark the height with a pencil.
Show answer & explanationAnswer & explanation
Correct answer: C. Use a standing scale with a height rod, ensuring the resident stands erect.
For a resident who can stand, using a standing scale with a height rod is the most accurate and common method. Ensuring they stand erect and without shoes provides a precise measurement.
Why the other options are wrong
- A. Measuring height in bed is less accurate due to body curvature and mattress compression.
- B. Estimating height by arm span is a less precise method, typically used only when standing is impossible.
- D. A wall measurement can be inaccurate if not done precisely with a level and flat surface.
Accurate Height Measurement (Standing)
The most accurate way to measure height for a standing resident is using a standing scale with a height rod, ensuring proper posture.
- Resident must stand erect.
- Shoes should be removed.
- Scale's height rod provides direct reading.
Memory trick: Stand Tall, Rod Up, Get the Right Number.