NHA CET Exam Prep – Study Guide and Practice Questions for Certified Electronics Technician
Certification
SA Node - correct answer ✔✔What is the primary pacemaker?
Occlusion - correct answer ✔✔What is a more medically correct term for the clotting of an
artery?
P wave - correct answer ✔✔When the Atria depolarize (or contract), what is shown on the EKG
tracing?
Sinus Arrhythmia - correct answer ✔✔An irregular heartbeat that is common among children is
called _____ _____.
1 mm - correct answer ✔✔1 sm box on an EKG strip denotes 0.04 seconds of time. How long is
this represented in millimeters?
Cardiac output - correct answer ✔✔What is the term used to described the amount of blood
pumped by the heart per minute?
Standard leads - correct answer ✔✔Leads I to III are collectively known as
Precordial leads - correct answer ✔✔Leads V1 to V6 are collectively known as
Aorta - correct answer ✔✔What is the main artery in the arterial system
Augmented leads - correct answer ✔✔aVr, aVl, and aVf are known as
,grounding - correct answer ✔✔Leg electrodes are only used for?
Superior vena cava - correct answer ✔✔What is the main vein in the venous system?
bicuspid valve - correct answer ✔✔The mitral valve is also known as
QRS complex - correct answer ✔✔When the ventricles depolarizes (contracts), what is shown
on the EKG tracing
2nd - correct answer ✔✔The Angle of Louis provides the LOCATION for which intercostal space
Ischemia - correct answer ✔✔When clotting reduces oxygen supply to a region of the heart it is
known as _____.
PR segment - correct answer ✔✔When the Atria repolarize (or are at rest), what is shown on
the EKG tracing?
False - correct answer ✔✔(T/F) You should stop a stress test because of a change of heart
rhythm
Angle of Louis - correct answer ✔✔What is formed by the manubrium and the body of the
sternum that helps in electrode placement
Right side - correct answer ✔✔V1 is placed in the 4th intercostal space and is located on which
side of the sternum
Atrial rate - correct answer ✔✔The distance between P wave to P wave can be used to calculate
what kind of rate
, V4 - correct answer ✔✔Which lead should be placed just below the nipple, in the 5th
intercostal space on the midclavicular line (MCL)?
Sinus Arrest - correct answer ✔✔What arrhythmia is associated with the skipping of heartbeats
on an EKG tracing?
Right - correct answer ✔✔Which side of the sternum would you place V2 if the patient had
dextrocardia?
V2 and V4 - correct answer ✔✔V3 should be placed halfway between which two leads?
Junctional Arrhythmia - correct answer ✔✔The presence of an inverted or absent P wave
indicates what type of arrhythmia?
1500 mm - correct answer ✔✔1 minute of an EKG strip is equivalent to how many millimeters in
length?
QT interval - correct answer ✔✔A full cycle of Ventricles in action is shown as what on the EKG
tracing?
Angina - correct answer ✔✔What is a more medically correct term for chest pain?
ST segment - correct answer ✔✔When the ventricles remain depolarized (contracted), what is
shown on an EKG tracing
60 and 100 bpm - correct answer ✔✔The normal human heart rate is between ___ and ___
bpm.
Certification
SA Node - correct answer ✔✔What is the primary pacemaker?
Occlusion - correct answer ✔✔What is a more medically correct term for the clotting of an
artery?
P wave - correct answer ✔✔When the Atria depolarize (or contract), what is shown on the EKG
tracing?
Sinus Arrhythmia - correct answer ✔✔An irregular heartbeat that is common among children is
called _____ _____.
1 mm - correct answer ✔✔1 sm box on an EKG strip denotes 0.04 seconds of time. How long is
this represented in millimeters?
Cardiac output - correct answer ✔✔What is the term used to described the amount of blood
pumped by the heart per minute?
Standard leads - correct answer ✔✔Leads I to III are collectively known as
Precordial leads - correct answer ✔✔Leads V1 to V6 are collectively known as
Aorta - correct answer ✔✔What is the main artery in the arterial system
Augmented leads - correct answer ✔✔aVr, aVl, and aVf are known as
,grounding - correct answer ✔✔Leg electrodes are only used for?
Superior vena cava - correct answer ✔✔What is the main vein in the venous system?
bicuspid valve - correct answer ✔✔The mitral valve is also known as
QRS complex - correct answer ✔✔When the ventricles depolarizes (contracts), what is shown
on the EKG tracing
2nd - correct answer ✔✔The Angle of Louis provides the LOCATION for which intercostal space
Ischemia - correct answer ✔✔When clotting reduces oxygen supply to a region of the heart it is
known as _____.
PR segment - correct answer ✔✔When the Atria repolarize (or are at rest), what is shown on
the EKG tracing?
False - correct answer ✔✔(T/F) You should stop a stress test because of a change of heart
rhythm
Angle of Louis - correct answer ✔✔What is formed by the manubrium and the body of the
sternum that helps in electrode placement
Right side - correct answer ✔✔V1 is placed in the 4th intercostal space and is located on which
side of the sternum
Atrial rate - correct answer ✔✔The distance between P wave to P wave can be used to calculate
what kind of rate
, V4 - correct answer ✔✔Which lead should be placed just below the nipple, in the 5th
intercostal space on the midclavicular line (MCL)?
Sinus Arrest - correct answer ✔✔What arrhythmia is associated with the skipping of heartbeats
on an EKG tracing?
Right - correct answer ✔✔Which side of the sternum would you place V2 if the patient had
dextrocardia?
V2 and V4 - correct answer ✔✔V3 should be placed halfway between which two leads?
Junctional Arrhythmia - correct answer ✔✔The presence of an inverted or absent P wave
indicates what type of arrhythmia?
1500 mm - correct answer ✔✔1 minute of an EKG strip is equivalent to how many millimeters in
length?
QT interval - correct answer ✔✔A full cycle of Ventricles in action is shown as what on the EKG
tracing?
Angina - correct answer ✔✔What is a more medically correct term for chest pain?
ST segment - correct answer ✔✔When the ventricles remain depolarized (contracted), what is
shown on an EKG tracing
60 and 100 bpm - correct answer ✔✔The normal human heart rate is between ___ and ___
bpm.
