General CNA Practice Vital Signs and Measurements 2

Question 1

A resident's blood pressure is 158/96 mmHg. The CNA should:

Accepted Answer

Report the elevated reading to the nurse

Answer

158/96 mmHg is elevated (Stage 2 hypertension) and should be reported to the nurse for assessment and possible intervention.

Question 2

When measuring blood pressure, the cuff should be placed:

Accepted Answer

Directly on bare skin above the antecubital space

Answer

The blood pressure cuff must be placed on bare skin about 1 inch above the antecubital space (inner elbow) for accurate readings.

Question 3

A rectal temperature is approximately how much higher than an oral temperature?

Accepted Answer

1°F higher

Answer

Rectal temperatures are approximately 1°F (0.5°C) higher than oral temperatures due to proximity to core body heat.

Question 4

Pulse oximetry measures:

Accepted Answer

The percentage of hemoglobin saturated with oxygen in the blood

Answer

Pulse oximetry (SpO2) measures the percentage of hemoglobin carrying oxygen, with normal values typically 95–100%.

Question 5

When measuring a resident's weight, the CNA should:

Accepted Answer

Weigh at the same time of day, on the same scale, and with the same amount of clothing

Answer

Consistent conditions (same time, same scale, same clothing) ensure weight measurements are comparable and reflect true changes.

General Practice Test