Echelon quiz questions: EKG and Cardiac Rhythms Comprehensive Question
and Answer Session with a Perfect 100% Accuracy, 2025
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
你是想要一篇“眼睛容易阅读的”
中文文章，还是一篇关于“眼睛”
What affects preload: volume主题的中文文章？
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
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
你是想要一篇“眼睛容易阅读的”
中文文章，还是一篇关于“眼睛”
What is the normal measurement of a QRS complex? - (ANSWER)0.04-0.10
主题的中文文章？
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
and Answer Session with a Perfect 100% Accuracy, 2025
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
你是想要一篇“眼睛容易阅读的”
中文文章，还是一篇关于“眼睛”
What affects preload: volume主题的中文文章？
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
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
你是想要一篇“眼睛容易阅读的”
中文文章，还是一篇关于“眼睛”
What is the normal measurement of a QRS complex? - (ANSWER)0.04-0.10
主题的中文文章？
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
