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NHA CET EXAM AND PRACTICE EXAM NEWEST 2025
QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) ALREADY GRADED A+
What is the primary pacemaker? - ..(ANSWER)...SA Node
What is a more medically correct term for the clotting of an artery? -
..(ANSWER)...Occlusion
When the Atria depolarize (or contract), what is shown on the EKG tracing? -
..(ANSWER)...P wave
An irregular heartbeat that is common among children is called _____ _____. -
..(ANSWER)...Sinus Arrhythmia
1 sm box on an EKG strip denotes 0.04 seconds of time. How long is this
represented in millimeters? - ..(ANSWER)...1 mm
What is the term used to described the amount of blood pumped by the heart per
minute? - ..(ANSWER)...Cardiac output
Leads I to III are collectively known as - ..(ANSWER)...Standard leads
Leads V1 to V6 are collectively known as - ..(ANSWER)...Precordial leads
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What is the main artery in the arterial system - ..(ANSWER)...Aorta
aVr, aVl, and aVf are known as - ..(ANSWER)...Augmented leads
Leg electrodes are only used for? - ..(ANSWER)...grounding
What is the main vein in the venous system? - ..(ANSWER)...Superior vena cava
The mitral valve is also known as - ..(ANSWER)...bicuspid valve
When the ventricles depolarizes (contracts), what is shown on the EKG tracing -
..(ANSWER)...QRS complex
The Angle of Louis provides the LOCATION for which intercostal space -
..(ANSWER)...2nd
When clotting reduces oxygen supply to a region of the heart it is known as
_____. - ..(ANSWER)...Ischemia
When the Atria repolarize (or are at rest), what is shown on the EKG tracing? -
..(ANSWER)...PR segment
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(T/F) You should stop a stress test because of a change of heart rhythm -
..(ANSWER)...False
What is formed by the manubrium and the body of the sternum that helps in
electrode placement - ..(ANSWER)...Angle of Louis
V1 is placed in the 4th intercostal space and is located on which side of the
sternum - ..(ANSWER)...Right side
The distance between P wave to P wave can be used to calculate what kind of
rate - ..(ANSWER)...Atrial rate
Which lead should be placed just below the nipple, in the 5th intercostal space on
the midclavicular line (MCL)? - ..(ANSWER)...V4
What arrhythmia is associated with the skipping of heartbeats on an EKG tracing?
- ..(ANSWER)...Sinus Arrest
Which side of the sternum would you place V2 if the patient had dextrocardia? -
..(ANSWER)...Right
V3 should be placed halfway between which two leads? - ..(ANSWER)...V2 and V4
NHA CET EXAM AND PRACTICE EXAM NEWEST 2025
QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) ALREADY GRADED A+
What is the primary pacemaker? - ..(ANSWER)...SA Node
What is a more medically correct term for the clotting of an artery? -
..(ANSWER)...Occlusion
When the Atria depolarize (or contract), what is shown on the EKG tracing? -
..(ANSWER)...P wave
An irregular heartbeat that is common among children is called _____ _____. -
..(ANSWER)...Sinus Arrhythmia
1 sm box on an EKG strip denotes 0.04 seconds of time. How long is this
represented in millimeters? - ..(ANSWER)...1 mm
What is the term used to described the amount of blood pumped by the heart per
minute? - ..(ANSWER)...Cardiac output
Leads I to III are collectively known as - ..(ANSWER)...Standard leads
Leads V1 to V6 are collectively known as - ..(ANSWER)...Precordial leads
,2|Page
What is the main artery in the arterial system - ..(ANSWER)...Aorta
aVr, aVl, and aVf are known as - ..(ANSWER)...Augmented leads
Leg electrodes are only used for? - ..(ANSWER)...grounding
What is the main vein in the venous system? - ..(ANSWER)...Superior vena cava
The mitral valve is also known as - ..(ANSWER)...bicuspid valve
When the ventricles depolarizes (contracts), what is shown on the EKG tracing -
..(ANSWER)...QRS complex
The Angle of Louis provides the LOCATION for which intercostal space -
..(ANSWER)...2nd
When clotting reduces oxygen supply to a region of the heart it is known as
_____. - ..(ANSWER)...Ischemia
When the Atria repolarize (or are at rest), what is shown on the EKG tracing? -
..(ANSWER)...PR segment
, 3|Page
(T/F) You should stop a stress test because of a change of heart rhythm -
..(ANSWER)...False
What is formed by the manubrium and the body of the sternum that helps in
electrode placement - ..(ANSWER)...Angle of Louis
V1 is placed in the 4th intercostal space and is located on which side of the
sternum - ..(ANSWER)...Right side
The distance between P wave to P wave can be used to calculate what kind of
rate - ..(ANSWER)...Atrial rate
Which lead should be placed just below the nipple, in the 5th intercostal space on
the midclavicular line (MCL)? - ..(ANSWER)...V4
What arrhythmia is associated with the skipping of heartbeats on an EKG tracing?
- ..(ANSWER)...Sinus Arrest
Which side of the sternum would you place V2 if the patient had dextrocardia? -
..(ANSWER)...Right
V3 should be placed halfway between which two leads? - ..(ANSWER)...V2 and V4
