EKG National Exam Study
Set 2026 | Practice
Questions, Answers &
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Updated 2026 Questions and Answers
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, Demand Pacemaker is noted when? A thin perfectly straight vertical line occurs randomly on EKG tracing
For an infant EKG, you must do what? Increase the speed of the EKG machine and it will widen out the waveforms
Most accurate temperature check site? Rectal
What is the reference lead on the Holter Monitor? Black lead
Ischemia is a condition present with ST-Segment what? Elevation
Normal Pulse Oximetry Level is? 97-100%
A SP02 level of 92% must be what? Closely monitored
A patient undergoing stress test who remains you can continue the test.
asymptomatic for 7-10 minutes means that
Application of the Holter Monitor is based on? The number of lead wires and skin integrity of the patient
What leads show Inferior Wall MI? Lead II, Lead III, AVF
What leads are known as the 3-lead EKG Monitor? Lead I, Lead II, Lead III
A prolonged constant PR interval of >.20 sec signifies 1st degree av block
what?
EKG Speed is what? 25 mm/sec
A ORS interval of < 0.03 means what? The ventricle is firing at a quick pace
How many QRS in a strip if pt's HR = 64 bpm when 6
counting 1500 small boxes?
A normal PR interval is what? .12-.20 seconds
A normal QRS complex? 0.06-0.12
Each small square equals to what? 0.04 seconds
A normal standardization mark should measure? 5mm
A 12 lead EKG has __ electrodes 10
Normal sensitive setting 1mv which measurement? 10mm
Normal speed of EKG? 25 mm/sec
CPR is what? 30-2
Set 2026 | Practice
Questions, Answers &
Review Guide
|Graded A+ | Guaranteed
success|
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
, Demand Pacemaker is noted when? A thin perfectly straight vertical line occurs randomly on EKG tracing
For an infant EKG, you must do what? Increase the speed of the EKG machine and it will widen out the waveforms
Most accurate temperature check site? Rectal
What is the reference lead on the Holter Monitor? Black lead
Ischemia is a condition present with ST-Segment what? Elevation
Normal Pulse Oximetry Level is? 97-100%
A SP02 level of 92% must be what? Closely monitored
A patient undergoing stress test who remains you can continue the test.
asymptomatic for 7-10 minutes means that
Application of the Holter Monitor is based on? The number of lead wires and skin integrity of the patient
What leads show Inferior Wall MI? Lead II, Lead III, AVF
What leads are known as the 3-lead EKG Monitor? Lead I, Lead II, Lead III
A prolonged constant PR interval of >.20 sec signifies 1st degree av block
what?
EKG Speed is what? 25 mm/sec
A ORS interval of < 0.03 means what? The ventricle is firing at a quick pace
How many QRS in a strip if pt's HR = 64 bpm when 6
counting 1500 small boxes?
A normal PR interval is what? .12-.20 seconds
A normal QRS complex? 0.06-0.12
Each small square equals to what? 0.04 seconds
A normal standardization mark should measure? 5mm
A 12 lead EKG has __ electrodes 10
Normal sensitive setting 1mv which measurement? 10mm
Normal speed of EKG? 25 mm/sec
CPR is what? 30-2
