ECHELON QUIZ QUESTIONS &
VERIFIED CORRECT ANSWERS
PASSED 100%
When the sympathetic nerve fibers are stimulated, the heart rate is ____________. -
Correct Answer ✔✔ elevated
Electrode location sites should be rotated _______________ or when the pt is sweaty
or has had a bath. - Correct Answer ✔✔ q24h
What method is used to calculate atrial and ventricular rate for irregular rhythms? -
Correct Answer ✔✔ 6 second rule
T or F: The qrs complex in MCL1 can be negative and still be normal. - Correct Answer
✔✔ T
A wave form is a movement ______________ the isoelectric line in either a positive or
negative direction. - Correct Answer ✔✔ away from
Lead II is helpful in detecting.... - Correct 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? - Correct Answer ✔✔ volume in the veins
Along with Lead II, lead III is most helpful in monitoring changes in what part of the
heart? - Correct Answer ✔✔ Inferior wall MI
What are the best areas to place electrodes? - Correct Answer ✔✔ on soft tissue
The ekg produces an upright pattern on the paper in response to electrical activity in the
heart flowing towards a - Correct Answer ✔✔ positive electrode
The QT interval represents - Correct Answer ✔✔ total ventricular activity
What are the AV valves? - Correct Answer ✔✔ mitral and tricuspid
What part of the EKG reflects the refractory period? - Correct Answer ✔✔ The QRS to
the peak of the T wave
The PRI is considered abnormal or prolonged if it is - Correct Answer ✔✔ >0.20 secs
5 large EKG strip boxes totals how much time? - Correct Answer ✔✔ 1 second
VERIFIED CORRECT ANSWERS
PASSED 100%
When the sympathetic nerve fibers are stimulated, the heart rate is ____________. -
Correct Answer ✔✔ elevated
Electrode location sites should be rotated _______________ or when the pt is sweaty
or has had a bath. - Correct Answer ✔✔ q24h
What method is used to calculate atrial and ventricular rate for irregular rhythms? -
Correct Answer ✔✔ 6 second rule
T or F: The qrs complex in MCL1 can be negative and still be normal. - Correct Answer
✔✔ T
A wave form is a movement ______________ the isoelectric line in either a positive or
negative direction. - Correct Answer ✔✔ away from
Lead II is helpful in detecting.... - Correct 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? - Correct Answer ✔✔ volume in the veins
Along with Lead II, lead III is most helpful in monitoring changes in what part of the
heart? - Correct Answer ✔✔ Inferior wall MI
What are the best areas to place electrodes? - Correct Answer ✔✔ on soft tissue
The ekg produces an upright pattern on the paper in response to electrical activity in the
heart flowing towards a - Correct Answer ✔✔ positive electrode
The QT interval represents - Correct Answer ✔✔ total ventricular activity
What are the AV valves? - Correct Answer ✔✔ mitral and tricuspid
What part of the EKG reflects the refractory period? - Correct Answer ✔✔ The QRS to
the peak of the T wave
The PRI is considered abnormal or prolonged if it is - Correct Answer ✔✔ >0.20 secs
5 large EKG strip boxes totals how much time? - Correct Answer ✔✔ 1 second
