CET CERTIFICATION EXAM QUESTIONS
AND ANSWERS ALL CORRECT
What does a wide QRS and a heart rate of 20-40bpm mean? - Answer- ventricular
rhythm (IVR)
The standard speed of the paper is - Answer- 25mm/s
What would you tell a patient who is going for a stress test - Answer- You might
experience mild SOB and fatigue
A patient wearing a HOLTER monitor needs to - Answer- record on a diary all activities
and symptoms
What part of the cardiac cycle comes before QRS? - Answer- the PR Interval - PR
segment is after P wave and before the QRS
If you are performing a 12 lead ECG on a patient who had a mastectomy six months
ago where would you place the electrodes - Answer- on the right side of the ECG
how would you describe 2nd degree AV block, Type I - Answer- sinus P, progressive
prolongation PR then one dropped QRS
How do you prevent electrode crowding on a small child - Answer- place V3 on the right
side of the chest
If you have a 2 second time interval on the ECG paper what is the speed of the paper -
Answer- 25mm/sec
The normal calibration of the ECG paper is - Answer- 10mm or 1MV= two large boxes
The augmented unipolar lead that produces a negative QRS is - Answer- aVR (p and t
waves will be negative also)
A QRS that measures less than 3 small boxes is - Answer- normal duration
If lead I and AVL are no longer seen you would check the - Answer- left arm electrode
AND ANSWERS ALL CORRECT
What does a wide QRS and a heart rate of 20-40bpm mean? - Answer- ventricular
rhythm (IVR)
The standard speed of the paper is - Answer- 25mm/s
What would you tell a patient who is going for a stress test - Answer- You might
experience mild SOB and fatigue
A patient wearing a HOLTER monitor needs to - Answer- record on a diary all activities
and symptoms
What part of the cardiac cycle comes before QRS? - Answer- the PR Interval - PR
segment is after P wave and before the QRS
If you are performing a 12 lead ECG on a patient who had a mastectomy six months
ago where would you place the electrodes - Answer- on the right side of the ECG
how would you describe 2nd degree AV block, Type I - Answer- sinus P, progressive
prolongation PR then one dropped QRS
How do you prevent electrode crowding on a small child - Answer- place V3 on the right
side of the chest
If you have a 2 second time interval on the ECG paper what is the speed of the paper -
Answer- 25mm/sec
The normal calibration of the ECG paper is - Answer- 10mm or 1MV= two large boxes
The augmented unipolar lead that produces a negative QRS is - Answer- aVR (p and t
waves will be negative also)
A QRS that measures less than 3 small boxes is - Answer- normal duration
If lead I and AVL are no longer seen you would check the - Answer- left arm electrode
