Echelon Quiz 2025 – Updated Actual Exam 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
/.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
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
/.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
