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