ECHELON QUIZ EXAM|COMPLETE QUESTIONS WITH 100% RATED
EXPERT SOLUTIONS |2026 LATEST UPDATED
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
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
EXPERT SOLUTIONS |2026 LATEST UPDATED
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
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
