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Echelon quiz Questions and Correct Answers
When the sympathetic nerve fibers are stimulated, the heart rate
is ____________. Ans: — elevated
Electrode location sites should be rotated _______________ or when
the pt is sweaty or has had a bath. Ans: — q24h
What method is used to calculate atrial and ventricular rate for
irregular rhythms? Ans: — 6 second rule
T or F: The qrs complex in MCL1 can be negative and still be
normal. Ans: — T
A wave form is a movement ______________ the isoelectric line in
either a positive or negative direction. Ans: — away from
Lead II is helpful in detecting.... Ans: — 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? Ans: — volume
in the veins
Along with Lead II, lead III is most helpful in monitoring changes
in what part of the heart? Ans: — Inferior wall MI
What are the best areas to place electrodes? Ans: — on soft tissue
The ekg produces an upright pattern on the paper in response to
electrical activity in the heart flowing towards a Ans: — positive
electrode
The QT interval represents Ans: — total ventricular activity
What are the AV valves? Ans: — mitral and tricuspid
What part of the EKG reflects the refractory period? Ans: — The
QRS to the peak of the T wave
5 large EKG strip boxes totals how much time? Ans: — 1 second
The PRI is considered abnormal or prolonged if it is Ans: — >0.20
secs
© 2025 All rights reserved
Echelon quiz Questions and Correct Answers
When the sympathetic nerve fibers are stimulated, the heart rate
is ____________. Ans: — elevated
Electrode location sites should be rotated _______________ or when
the pt is sweaty or has had a bath. Ans: — q24h
What method is used to calculate atrial and ventricular rate for
irregular rhythms? Ans: — 6 second rule
T or F: The qrs complex in MCL1 can be negative and still be
normal. Ans: — T
A wave form is a movement ______________ the isoelectric line in
either a positive or negative direction. Ans: — away from
Lead II is helpful in detecting.... Ans: — 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? Ans: — volume
in the veins
Along with Lead II, lead III is most helpful in monitoring changes
in what part of the heart? Ans: — Inferior wall MI
What are the best areas to place electrodes? Ans: — on soft tissue
The ekg produces an upright pattern on the paper in response to
electrical activity in the heart flowing towards a Ans: — positive
electrode
The QT interval represents Ans: — total ventricular activity
What are the AV valves? Ans: — mitral and tricuspid
What part of the EKG reflects the refractory period? Ans: — The
QRS to the peak of the T wave
5 large EKG strip boxes totals how much time? Ans: — 1 second
The PRI is considered abnormal or prolonged if it is Ans: — >0.20
secs
© 2025 All rights reserved
