2024)
When the sympathetic nerve fibers are stimulated, the
heart rate is ____________. - correct answers✅elevated
Electrode location sites should be rotated _______________
or when the pt is sweaty or has had a bath. - correct
answers✅q24h
What method is used to calculate atrial and ventricular
rate for irregular rhythms? - correct answers✅6 second
rule
T or F: The qrs complex in MCL1 can be negative and still
be normal. - correct answers✅T
A wave form is a movement ______________ the isoelectric
line in either a positive or negative direction. - correct
answers✅away from
Lead II is helpful in detecting.... - correct
answers✅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? - correct answers✅volume in the veins
, Echelon quiz questions(Latest Exam
2024)
Along with Lead II, lead III is most helpful in monitoring
changes in what part of the heart? - correct
answers✅Inferior wall MI
What are the best areas to place electrodes? - correct
answers✅on soft tissue
The ekg produces an upright pattern on the paper in
response to electrical activity in the heart flowing towards
a - correct answers✅positive electrode
The QT interval represents - correct answers✅total
ventricular activity
What are the AV valves? - correct answers✅mitral and
tricuspid
What part of the EKG reflects the refractory period? -
correct answers✅The QRS to the peak of the T wave
5 large EKG strip boxes totals how much time? - correct
answers✅1 second
The PRI is considered abnormal or prolonged if it is -
correct answers✅>0.20 secs