EKG National Exam Study Set (For NHA EKG
Certification)- Qs & As
Angle of Louis? ✔️Ans - 2nd Intercostal Space
Ground Electrode of Telemetry Monitor? ✔️Ans - Green Electrode
The Holter Monitor has how many electodes? ✔️Ans - 5
Demand Pacemaker is noted when? ✔️Ans - A thin perfectly straight
vertical line occurs randomly on EKG tracing
For an infant EKG, you must do what? ✔️Ans - Increase the speed of the
EKG machine and it will widen out the waveforms
Most accurate temperature check site? ✔️Ans - Rectal
What is the reference lead on the Holter Monitor? ✔️Ans - Black lead
Ischemia is a condition present with ST-Segment what? ✔️Ans -
Elevation
Normal Pulse Oximetry Level is? ✔️Ans - 97-100%
A SP02 level of 92% must be what? ✔️Ans - Closely monitored
A patient undergoing stress test who remains asymptomatic for 7-10
minutes means that ✔️Ans - you can continue the test.
Application of the Holter Monitor is based on? ✔️Ans - The number of
lead wires and skin integrity of the patient
What leads show Inferior Wall MI? ✔️Ans - Lead II, Lead III, AVF
What leads are known as the 3-lead EKG Monitor? ✔️Ans - Lead I, Lead
II, Lead III
, A prolonged constant PR interval of >.20 sec signifies what? ✔️Ans - 1st
degree av block
EKG Speed is what? ✔️Ans - 25 mm/sec
A ORS interval of < 0.03 means what? ✔️Ans - The ventricle is firing at a
quick pace
How many QRS in a strip if pt's HR = 64 bpm when counting 1500 small
boxes? ✔️Ans - 6
A normal PR interval is what? ✔️Ans - .12-.20 seconds
A normal QRS complex? ✔️Ans - 0.06-0.12
Each small square equals to what? ✔️Ans - 0.04 seconds
A normal standardization mark should measure? ✔️Ans - 5mm
A 12 lead EKG has __ electrodes ✔️Ans - 10
Normal sensitive setting 1mv which measurement? ✔️Ans - 10mm
Normal speed of EKG? ✔️Ans - 25 mm/sec
CPR is what? ✔️Ans - 30-2
The rate of the AV junction is? ✔️Ans - 40-60 bpm
The bpm between r-r intervals on EKG 5 large squares? ✔️Ans - 60 bpm
An example of hypotension? ✔️Ans - 90/60
An ST segment is what? ✔️Ans - A pause between ventricular
depolarization and repolarization
Where does the exchange of CO2 and O2 happen? ✔️Ans - Alveoli
What does the P wave represent? ✔️Ans - Atrial depolarization
Certification)- Qs & As
Angle of Louis? ✔️Ans - 2nd Intercostal Space
Ground Electrode of Telemetry Monitor? ✔️Ans - Green Electrode
The Holter Monitor has how many electodes? ✔️Ans - 5
Demand Pacemaker is noted when? ✔️Ans - A thin perfectly straight
vertical line occurs randomly on EKG tracing
For an infant EKG, you must do what? ✔️Ans - Increase the speed of the
EKG machine and it will widen out the waveforms
Most accurate temperature check site? ✔️Ans - Rectal
What is the reference lead on the Holter Monitor? ✔️Ans - Black lead
Ischemia is a condition present with ST-Segment what? ✔️Ans -
Elevation
Normal Pulse Oximetry Level is? ✔️Ans - 97-100%
A SP02 level of 92% must be what? ✔️Ans - Closely monitored
A patient undergoing stress test who remains asymptomatic for 7-10
minutes means that ✔️Ans - you can continue the test.
Application of the Holter Monitor is based on? ✔️Ans - The number of
lead wires and skin integrity of the patient
What leads show Inferior Wall MI? ✔️Ans - Lead II, Lead III, AVF
What leads are known as the 3-lead EKG Monitor? ✔️Ans - Lead I, Lead
II, Lead III
, A prolonged constant PR interval of >.20 sec signifies what? ✔️Ans - 1st
degree av block
EKG Speed is what? ✔️Ans - 25 mm/sec
A ORS interval of < 0.03 means what? ✔️Ans - The ventricle is firing at a
quick pace
How many QRS in a strip if pt's HR = 64 bpm when counting 1500 small
boxes? ✔️Ans - 6
A normal PR interval is what? ✔️Ans - .12-.20 seconds
A normal QRS complex? ✔️Ans - 0.06-0.12
Each small square equals to what? ✔️Ans - 0.04 seconds
A normal standardization mark should measure? ✔️Ans - 5mm
A 12 lead EKG has __ electrodes ✔️Ans - 10
Normal sensitive setting 1mv which measurement? ✔️Ans - 10mm
Normal speed of EKG? ✔️Ans - 25 mm/sec
CPR is what? ✔️Ans - 30-2
The rate of the AV junction is? ✔️Ans - 40-60 bpm
The bpm between r-r intervals on EKG 5 large squares? ✔️Ans - 60 bpm
An example of hypotension? ✔️Ans - 90/60
An ST segment is what? ✔️Ans - A pause between ventricular
depolarization and repolarization
Where does the exchange of CO2 and O2 happen? ✔️Ans - Alveoli
What does the P wave represent? ✔️Ans - Atrial depolarization
