CNA Practice Test
Vital signs and reportingQuestion 1353 of 1700

You are about to take a blood pressure. On which arm should you NOT take it?

  1. The arm without an IV
  2. The arm that is free of devices
  3. The arm of the dominant hand
  4. The arm with a dialysis fistula
Show answer

Correct answer: The arm with a dialysis fistula

Do not use an arm with a fistula, an IV line, or implanted birth control, or the side of a mastectomy.

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

Practice vital signs and reporting

Questions last reviewed: 18 October 2026