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NHA CET EXAM PREP Exam | Questions & 100% Correct Answers (Verified) | Latest Update | GradeA+
Question :What is the primary pacemaker?
Correct answer:SA Node
Question :What is a more medically correct term for the
clotting of an artery?
Correct answer:Occlusion
Question :When the Atria depolarize (or contract), what is
shown on the EKG tracing?
Correct answer:P wave
Question :An irregular heartbeat that is common among
children is called _____ _____.
Correct answer:Sinus Arrhythmia
Question :1 sm box on an EKG strip denotes 0.04 seconds of
time. How long is this represented in millimeters?
Correct answer:1 mm
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Question :What is the term used to described the amount of
blood pumped by the heart per minute?
Correct answer:Cardiac output
Question :Leads I to III are collectively known as
Correct answer:Standard leads
Question :Leads V1 to V6 are collectively known as
Correct answer:Precordial leads
Question :What is the main artery in the arterial system
Correct answer:Aorta
Question :aVr, aVl, and aVf are known as
Correct answer:Augmented leads
Question :Leg electrodes are only used for?
Correct answer:grounding
Question :What is the main vein in the venous system?
Correct answer:Superior vena cava
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Question :The mitral valve is also known as
Correct answer:bicuspid valve
Question :When the ventricles depolarizes (contracts), what is
shown on the EKG tracing
Correct answer:QRS complex
Question :The Angle of Louis provides the LOCATION for
which intercostal space
Correct answer:2nd
Question :When clotting reduces oxygen supply to a region of
the heart it is known as _____.
Correct answer:Ischemia
Question :When the Atria repolarize (or are at rest), what is
shown on the EKG tracing?
Correct answer:PR segment
Question :(T/F) You should stop a stress test because of a
change of heart rhythm
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Correct answer:False
Question :What is formed by the manubrium and the body of
the sternum that helps in electrode placement
Correct answer:Angle of Louis
Question :V1 is placed in the 4th intercostal space and is
located on which side of the sternum
Correct answer:Right side
Question :The distance between P wave to P wave can be
used to calculate what kind of rate
Correct answer:Atrial rate
Question :Which lead should be placed just below the nipple,
in the 5th intercostal space on the midclavicular line (MCL)?
Correct answer:V4
Question :What arrhythmia is associated with the skipping of
heartbeats on an EKG tracing?