CNA CNA Vital Signs and Measurements 2

Question 1

What is the normal respiratory rate for a healthy adult at rest?

Accepted Answer

12–20 breaths per minute

Answer

A normal adult respiratory rate at rest is 12–20 breaths per minute.

Question 2

When taking an axillary (underarm) temperature, how does it compare to an oral temperature?

Accepted Answer

It is 1°F lower than oral

Answer

Axillary temperatures are typically about 1°F lower than oral temperatures, making them less accurate for detecting fever.

Question 3

A CNA notices a resident's pulse is irregular. What should the CNA do?

Accepted Answer

Report the irregularity to the nurse regardless of rate

Answer

Any pulse irregularity must be reported to the nurse because it can indicate a cardiac arrhythmia requiring further evaluation.

Question 4

What does SpO2 measure and what is a normal value for a healthy adult?

Accepted Answer

Blood oxygen saturation; normal is 95%–100%

Answer

SpO2 measures the percentage of hemoglobin saturated with oxygen, with 95%–100% considered normal for a healthy adult.

Question 5

When weighing a resident who can stand, which of the following is most important for accuracy?

Accepted Answer

Weigh the resident at the same time of day, in similar clothing, on the same scale

Answer

Consistency in timing, clothing, and equipment ensures weight measurements are comparable over time.

CNA Practice Test