UNAR Vital Signs Measurement

Question 1

What is the normal adult resting heart rate?

Accepted Answer

60-100 beats per minute

Answer

Normal resting heart rate for adults ranges from 60-100 bpm; athletes may have lower rates.

Question 2

What is the normal body temperature range?

Accepted Answer

97.8°F to 99.1°F (36.5°C to 37.3°C)

Answer

Normal body temperature has a small range around 98.6°F/37°C with slight individual variation.

Question 3

How is blood pressure measured?

Accepted Answer

Using a stethoscope and sphygmomanometer, listening for Korotkoff sounds over the brachial artery

Answer

Blood pressure measurement requires listening for the appearance and disappearance of Korotkoff sounds.

Question 4

What does systolic vs. diastolic blood pressure represent?

Accepted Answer

Systolic is the pressure during heart contraction; diastolic is the pressure during heart relaxation

Answer

The top number (systolic) reflects the force during heartbeats; the bottom (diastolic) reflects pressure between beats.

Question 5

How is respiration counted?

Accepted Answer

Count breaths for 30-60 seconds without telling the patient, noting rate, depth, and pattern

Answer

Respirations should be counted covertly because awareness can change breathing patterns.

(UNAR) Utah Nursing Assistant Registry Practice Test