NHA EKG (CET) Study Guide Comprehensive
Questions and Verified Answers
Question 1
Second heart sound is due to the closure of the pulmonic valves
Correct Answer
S2
Question 2
What lead be placed on the anterior torso during an exercise stress test?
Correct Answer
Lead RL
Question 3
What statement should an EKG technician include when preparing a patient for an
upcoming exercise stress test?
Correct Answer
"Refrain from caffeine, smoking, or alcohol for at least 3 hours prior to the test."
Page 1 of 71
,Question 4
The distance between R wave to R wave can be used to calculate what kind of rate?
Correct Answer
Ventricular Rate
Question 5
If you have problems obtaining an accurate respiratory rate for a patient, what action
should be taken?
Correct Answer
Place a hand on the middle of the patient's back to count the respirations
Question 6
A PR interval that spans four boxes on the EKG paper has a duration of_______
Correct Answer
0.16 seconds
(4x0.04=16)
Question 7
In which locations should the EKG technician place the electrodes for a 3-lead
ambulatory monitor?
Correct Answer
on the right shoulder, the left shoulder, and the left abdomen
Page 2 of 71
,Question 8
V-fib ventricular rate
Correct Answer
Greater than 300 bpm
Question 9
In cardiology, what does M.I. stand for?
Correct Answer
myocardial infarction
Question 10
When performing an EKG on an infant, where should the technician place the
electrode for lead V3R?
Correct Answer
Between V2 and V4 on the right side of the chest
Question 11
Located between the left atrium and the left ventricle.
has 2 cusps, also known as the bicuspid valve
Correct Answer
Mitral valve
Question 12
Which of the following statements illustrates the patient understands holter monitor
procedures
Correct Answer
"I must not get the holter monitor wet at any time"
Page 3 of 71
, Question 13
How can resolve a wandering baseline on a patients EKG tracing?
Correct Answer
Relieve tension from the lead wires
Question 14
What is a more medically correct term for the clotting of an artery?
Correct Answer
Occlusion
Question 15
What method should you use to calculate a patient's heart rate from the EKG tracing?
Correct Answer
Divide 300 by the number of large boxes between two R waves
Page 4 of 71
Questions and Verified Answers
Question 1
Second heart sound is due to the closure of the pulmonic valves
Correct Answer
S2
Question 2
What lead be placed on the anterior torso during an exercise stress test?
Correct Answer
Lead RL
Question 3
What statement should an EKG technician include when preparing a patient for an
upcoming exercise stress test?
Correct Answer
"Refrain from caffeine, smoking, or alcohol for at least 3 hours prior to the test."
Page 1 of 71
,Question 4
The distance between R wave to R wave can be used to calculate what kind of rate?
Correct Answer
Ventricular Rate
Question 5
If you have problems obtaining an accurate respiratory rate for a patient, what action
should be taken?
Correct Answer
Place a hand on the middle of the patient's back to count the respirations
Question 6
A PR interval that spans four boxes on the EKG paper has a duration of_______
Correct Answer
0.16 seconds
(4x0.04=16)
Question 7
In which locations should the EKG technician place the electrodes for a 3-lead
ambulatory monitor?
Correct Answer
on the right shoulder, the left shoulder, and the left abdomen
Page 2 of 71
,Question 8
V-fib ventricular rate
Correct Answer
Greater than 300 bpm
Question 9
In cardiology, what does M.I. stand for?
Correct Answer
myocardial infarction
Question 10
When performing an EKG on an infant, where should the technician place the
electrode for lead V3R?
Correct Answer
Between V2 and V4 on the right side of the chest
Question 11
Located between the left atrium and the left ventricle.
has 2 cusps, also known as the bicuspid valve
Correct Answer
Mitral valve
Question 12
Which of the following statements illustrates the patient understands holter monitor
procedures
Correct Answer
"I must not get the holter monitor wet at any time"
Page 3 of 71
, Question 13
How can resolve a wandering baseline on a patients EKG tracing?
Correct Answer
Relieve tension from the lead wires
Question 14
What is a more medically correct term for the clotting of an artery?
Correct Answer
Occlusion
Question 15
What method should you use to calculate a patient's heart rate from the EKG tracing?
Correct Answer
Divide 300 by the number of large boxes between two R waves
Page 4 of 71
