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TL;DR

Master the measurement and interpretation of vital signs including temperature, pulse, respiration, and blood pressure. Accurate vital sign assessment is foundational to patient care and a heavily tested topic on the CNA Written Examination (NNAAP).

By Valenke Exam Prep Team·Last updated 2026-06-03

Free Vital Signs & Measurement Practice Questions

CNA Written Examination (NNAAP) · Basic Nursing Skills

This module covers Vital Signs & Measurement as part of the Basic Nursing Skills section, testing your understanding of core concepts and their practical application.

ExamCNA Written Examination (NNAAP)
Pass Rate87%
Duration90 minutes
ModuleVital Signs & Measurement

Why Vital Signs & Measurement matters

Vital Signs & Measurement questions appear frequently on the CNA Written Examination (NNAAP) because accurate assessment is the foundation of all clinical decision-making.

Sample Practice Questions (5)

1. A rectal temperature of 100.6°F would correspond to approximately what oral temperature?

  • 101.6°F
  • 100.6°F
  • 99.6°F
  • 98.6°F

2. When counting respirations, the CNA should NOT tell the resident because:

  • It is against facility policy
  • The resident may consciously alter their breathing pattern
  • The resident might hold their breath permanently
  • It saves time during the measurement

3. When taking an axillary temperature, the CNA should expect the reading to be:

  • The same as an oral temperature
  • One degree Fahrenheit higher than an oral temperature
  • One degree Fahrenheit lower than an oral temperature
  • Two degrees Fahrenheit lower than an oral temperature

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4. A tympanic thermometer measures body temperature closest to:

  • Axillary temperature
  • Oral temperature
  • Core (internal) body temperature
  • Skin surface temperature

5. When measuring blood pressure, the CNA places the stethoscope over which artery?

  • Radial artery at the wrist
  • Brachial artery at the inner aspect of the elbow
  • Carotid artery at the neck
  • Femoral artery at the groin

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Frequently Asked Questions

How many Vital Signs & Measurement questions are on the CNA Written Examination (NNAAP)?
The Basic Nursing Skills section, which includes Vital Signs & Measurement, typically represents a significant portion of the exam. Focus on understanding core concepts rather than memorizing exact question counts, as the exam uses adaptive testing.
What is the best way to study Vital Signs & Measurement?
Use active recall and spaced repetition rather than passive reading. Practice with realistic exam questions, review explanations for both correct and incorrect answers, and focus on understanding the reasoning behind each concept.
What topics within Vital Signs & Measurement should I focus on most?
Focus on the concepts that appear in our practice questions and any areas where you consistently score below 70%. The adaptive practice mode will automatically target your weak areas for efficient study.