CNA Practice Test
Vital signs and reportingQuestion 1352 of 1700

What counts as one breath when you count the respiratory rate?

  1. Only one breath in, not the breath out
  2. Only one breath out, not the breath in
  3. Two breaths in without a breath out
  4. One breath in and one breath out
Show answer

Correct answer: One breath in and one breath out

The chest rises and falls once.

Source: Nursing Assistant (Reuter), 7.4: Obtaining Vital Signs

Practice vital signs and reporting

Questions last reviewed: 18 October 2026