NCCT ECG practice test Questions and
Answers (100% Pass)
the p wave should always be upright in leads 1 and 2 - Answer✔️✔️-what
would be considered a cardinal feature of sinus rhythm?
U - Answer✔️✔️-what is a small wave (similar to the P wave) that
sometimes appears after the T wave, and is thought to represent late
repolarization of the Purkinje fibers in the ventricles?
sick sinus rhythm - Answer✔️✔️-a disturbance of SA nodal function that
results in a markedly variable rhythm is known as
atrial fibrillation - Answer✔️✔️-what term best describes a cardiac condition
that demonstrates a sinus rate of 250 to 350 beats per minute
T - Answer✔️✔️-which wave represents ventricle depolarization
ventricular tachycardia - Answer✔️✔️-which of these ECG findings indicates
a pulse greater than 100 beats per minute with at least three irregular beats
in a row
atrial depolarization - Answer✔️✔️-the p wave is indicative of
premature atrial contraction with pvcs - Answer✔️✔️-what best describes
this rhythm strip
trigeminy pvcs - Answer✔️✔️-what best describes this rhythm strip
sinus bradycardia - Answer✔️✔️-what best describes this rhythm strip
isolated pvc - Answer✔️✔️-what best describes this rhythm strip
diastole - Answer✔️✔️-occur when the ventricle relax, and the blood flows
into the atrium from the vena cava and pulmonary
exposure to interference - Answer✔️✔️-what is the LEAST likely to cause
under-sensing in the ECG
over-sensing - Answer✔️✔️-drug therapy, hyperkalemia, Twiddler's
syndrome, and battery depletion can all be occasional causes of ECG
________.
pericardium - Answer✔️✔️-the membranous sac filled with serious fluid
that encloses the heart and the roots of the aorta and other large blood
vessels is known as the
atrial fibrillation - Answer✔️✔️-the abbreviation AF is most commonly used
for
fibrillation - Answer✔️✔️-is the rapid, irregular, and unsynchronized
contraction of the muscle fibers of the heart
hypoxia - Answer✔️✔️-is the medical term that means "a shortage, but not
an absence, of oxygen in the body."
it should be upright in the aVR - Answer✔️✔️-what is not a feature of a
normal p wave
2
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