CERTIFIED EKG TECHNICIAN (CET)
PRACTICE TEST /ACTUAL EXAMS
1. when should the assistant reduce the speed to 50mm/ second? -
ANSWER-when a patient has a fast heart rate
2. when are 10mm/ second and 5mm/second used? - ANSWER-for
patients that have slow heart rates
3. During a 5-lead EKG, lead 2 and 3 are not yielding a reading, what
limbs should the technician check? - ANSWER-left leg
4. what describes a pulse oximetry of 88% - ANSWER-hypoxemia
5. a thin spike before the P wave indicates that a pacemaker has been
implanted to pace what? - ANSWER-atria
6. which locations is used for a patient's apical pulse? - ANSWER-between
the fifth and sixth ribs, at the left midclavicular line
7. if having trouble visualizing the patients chest movement, what actions
should the technician take to obtain an accurate respiratory rate for
the patient? - ANSWER-place a hand on the middle of the patients back
to count the respirations
8. what intervals should be used to determine the regularity of ventricular
depolarization? - ANSWER-R-R wave interval
, 9. when placing electrodes on the patients for telemetry, what locations
should an EKG technician place the ground electrode? - ANSWER-on
the right lower leg
10. what findings should indicate to the technician that the patient is
experiencing an adverse reaction? - ANSWER-report of tingling
sensations in the lower extremities
11. an EKG technician notices an accelerated idioventricular rhythm
on a tracing, what actions should the technician take next? - ANSWER-
call for help and stay with the patient
12. an EKG technician observes ST segment depression and T wave
inversion in multiple leads on a patient's EKG, what should the
technician suspect? - ANSWER-myocardial ischemia
13. an EKG technician is working with a patient who has a below-the-
knee amputation of the left leg, what location should the technician
place the right leg electrode? - ANSWER-on the lower right abdomen
14. an EKG technician is preparing to perform a 12-lead EKG for a
patient who has dextrocardia, what location should the technician
place the electrode for lead V1? - ANSWER-left sternal border, fourth
intercostal space
15. when evaluating a standard 12-lead EKG tracing, what electrical
activity of the septal wall is recorded by what leads? - ANSWER-leads
V1 and V2
16. an EKG technician is caring for a patient who is experiencing
heart palpitations, what interventions should the technician expect the
provider to prescribe? - ANSWER-holter monitor
PRACTICE TEST /ACTUAL EXAMS
1. when should the assistant reduce the speed to 50mm/ second? -
ANSWER-when a patient has a fast heart rate
2. when are 10mm/ second and 5mm/second used? - ANSWER-for
patients that have slow heart rates
3. During a 5-lead EKG, lead 2 and 3 are not yielding a reading, what
limbs should the technician check? - ANSWER-left leg
4. what describes a pulse oximetry of 88% - ANSWER-hypoxemia
5. a thin spike before the P wave indicates that a pacemaker has been
implanted to pace what? - ANSWER-atria
6. which locations is used for a patient's apical pulse? - ANSWER-between
the fifth and sixth ribs, at the left midclavicular line
7. if having trouble visualizing the patients chest movement, what actions
should the technician take to obtain an accurate respiratory rate for
the patient? - ANSWER-place a hand on the middle of the patients back
to count the respirations
8. what intervals should be used to determine the regularity of ventricular
depolarization? - ANSWER-R-R wave interval
, 9. when placing electrodes on the patients for telemetry, what locations
should an EKG technician place the ground electrode? - ANSWER-on
the right lower leg
10. what findings should indicate to the technician that the patient is
experiencing an adverse reaction? - ANSWER-report of tingling
sensations in the lower extremities
11. an EKG technician notices an accelerated idioventricular rhythm
on a tracing, what actions should the technician take next? - ANSWER-
call for help and stay with the patient
12. an EKG technician observes ST segment depression and T wave
inversion in multiple leads on a patient's EKG, what should the
technician suspect? - ANSWER-myocardial ischemia
13. an EKG technician is working with a patient who has a below-the-
knee amputation of the left leg, what location should the technician
place the right leg electrode? - ANSWER-on the lower right abdomen
14. an EKG technician is preparing to perform a 12-lead EKG for a
patient who has dextrocardia, what location should the technician
place the electrode for lead V1? - ANSWER-left sternal border, fourth
intercostal space
15. when evaluating a standard 12-lead EKG tracing, what electrical
activity of the septal wall is recorded by what leads? - ANSWER-leads
V1 and V2
16. an EKG technician is caring for a patient who is experiencing
heart palpitations, what interventions should the technician expect the
provider to prescribe? - ANSWER-holter monitor
