©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISH SEPTEMBER 2024
Echelon quiz questions with correct
answers
When the sympathetic nerve fibers are stimulated, the heart rate is ____________. -
Answer✔✔-elevated
Electrode location sites should be rotated _______________ or when the pt is sweaty
or has had a bath. - Answer✔✔-q24h
What method is used to calculate atrial and ventricular rate for irregular rhythms? -
Answer✔✔-6 second rule
T or F: The qrs complex in MCL1 can be negative and still be normal. - Answer✔✔-T
A wave form is a movement ______________ the isoelectric line in either a positive or
negative direction. - Answer✔✔-away from
Lead II is helpful in detecting.... - Answer✔✔-sinus node and atrial arrhythmias
What affects preload: volume in the veins, pressure in the arteries or ventricles, or
volume of blood in the ventricles? - Answer✔✔-volume in the veins
Along with Lead II, lead III is most helpful in monitoring changes in what part of the
heart? - Answer✔✔-Inferior wall MI
What are the best areas to place electrodes? - Answer✔✔-on soft tissue
The ekg produces an upright pattern on the paper in response to electrical activity in the
heart flowing towards a - Answer✔✔-positive electrode
The QT interval represents - Answer✔✔-total ventricular activity
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, EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER
©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISH SEPTEMBER 2024
What are the AV valves? - Answer✔✔-mitral and tricuspid
What part of the EKG reflects the refractory period? - Answer✔✔-The QRS to the
peak of the T wave
5 large EKG strip boxes totals how much time? - Answer✔✔-1 second
The PRI is considered abnormal or prolonged if it is - Answer✔✔->0.20 secs
What is the most common cause for an alarm sounding? - Answer✔✔-a loose lead
wire
Which lead is the most useful for routine monitoring and monitoring the sinus node? -
Answer✔✔-Lead II
Which lead is helpful in monitoring atrial rhythms and hemiblocks? - Answer✔✔-Lead
I
What is the normal measurement of a QRS complex? - Answer✔✔-0.04-0.10
What are EKG artifacts? - Answer✔✔-false cardiac waveforms
What is the first step in preparing a pt for an EKG? - Answer✔✔-reassuring the pt
and maintaining privacy
What are the factors that impact afterload? - Answer✔✔-arterial contractility,
pressure, and resistance
What is released when the parasympathetic nerve fibers are stimulated? -
Answer✔✔-acetylcholine
Which lead is helpful in assessing bundle branch defects and confirming pacemaker
wire placement? - Answer✔✔-MCL1
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