General CNA Practice Vital Signs and Measurements

Question 1

The normal resting heart rate for a healthy adult is:

Accepted Answer

60–100 beats per minute

Answer

20–40 beats per minute

Answer

110–140 beats per minute

Answer

40–55 beats per minute

Question 2

When taking a radial pulse, the CNA places their fingers on the:

Accepted Answer

Thumb side of the inner wrist

Answer

Inside of the elbow

Answer

Back of the hand

Answer

Little finger side of the wrist

Question 3

Normal oral temperature for an adult is approximately:

Accepted Answer

98.6°F (37.0°C)

Answer

97.0°F (36.1°C)

Answer

100.4°F (38.0°C)

Answer

96.0°F (35.6°C)

Question 4

Hypotension is defined as blood pressure:

Accepted Answer

Below 90/60 mmHg

Answer

Above 140/90 mmHg

Answer

Exactly 120/80 mmHg

Answer

Between 110/70 and 120/80 mmHg

Question 5

Normal respiratory rate for a resting adult is:

Accepted Answer

12–20 breaths per minute

Answer

5–8 breaths per minute

Answer

25–35 breaths per minute

Answer

40–50 breaths per minute

Question 6

Why should the CNA not tell the resident they are counting respirations?

Accepted Answer

Residents may unconsciously change their breathing rate if they know it is being counted

Answer

It is not necessary to inform residents

Answer

Counting respirations is always done secretly as a rule

Answer

It takes too long to explain