CNA Practice Test
Vital signs and reportingQuestion 522 of 1700

Which temperature method gives the most accurate reading but is an invasive procedure?

  1. Temporal
  2. Rectal
  3. Axillary
  4. Oral
Show answer

Correct answer: Rectal

Rectal temperature is the most accurate.

Source: Nursing Assistant (Reuter), 7.14: VII Glossary

Practice vital signs and reporting

Questions last reviewed: 18 October 2026