ECHELON QUIZ QUESTIONS AND ANSWERS 2023/2024 WITH COMPLETE
SOLUTIONS
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
#$%^&*()_+
Lead II is helpful in detecting.... - (ANSWER)sinus node and atrial arrhythmias
What affects preload: volume in the veins, pressure in the arteries or ventricles, or volume of
blood in the ventricles? - (ANSWER)volume in the veins
Along with Lead II, lead III is most helpful in monitoring changes in what part of the heart? -
(ANSWER)Inferior wall MI
What are the best areas to place electrodes? - (ANSWER)on soft tissue
The ekg produces an upright pattern on the paper in response to electrical activity in the heart
flowing towards a - (ANSWER)positive electrode
The QT interval represents - (ANSWER)total ventricular activity
What are the AV valves? - (ANSWER)mitral and tricuspid
What part of the EKG reflects the refractory period? - (ANSWER)The QRS to the peak of the T
wave
5 large EKG strip boxes totals how much time? - (ANSWER)1 second
The PRI is considered abnormal or prolonged if it is - (ANSWER)>0.20 secs
What is the most common cause for an alarm sounding? - (ANSWER)a loose lead wire
SOLUTIONS
When the sympathetic nerve fibers are stimulated, the heart rate is ____________. -
(ANSWER)elevated
Electrode location sites should be rotated _______________ or when the pt is sweaty or has had
a bath. - (ANSWER)q24h
What method is used to calculate atrial and ventricular rate for irregular rhythms? - (ANSWER)6
second rule
T or F: The qrs complex in MCL1 can be negative and still be normal. - (ANSWER)T
A wave form is a movement ______________ the isoelectric line in either a positive or negative
direction. - (ANSWER)away from
#$%^&*()_+
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
