CNA Practice Test
Vital signs and reportingQuestion 1358 of 1700

What reading error does an undersized cuff cause?

  1. A reading that is falsely low
  2. No error in the reading at all
  3. A reading that is falsely high
  4. An error in the pulse count only
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Correct answer: A reading that is falsely high

An oversized cuff gives a falsely low reading.

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

Practice vital signs and reporting

Questions last reviewed: 18 October 2026