ECHELON QUIZ QUESTIONS AND ANSWERS
2024/2025 WITH COMPLETE SOLUTIONS
1. When the sympathetic nerve fibers are stimulated, the heart rate is
____________. - ANSWER: elevated
2. Electrode location sites should be rotated _______________ or when the pt is
sweaty or has had a bath. - ANSWER: q24h
3. What method is used to calculate atrial and ventricular rate for irregular rhythms?
- ANSWER: 6 second rule
4. T or F: The qrs complex in MCL1 can be negative and still be normal. -
ANSWER: T
5. A wave form is a movement ______________ the isoelectric line in either a
positive or negative direction. - ANSWER: away from
6. Lead II is helpful in detecting.... - ANSWER: sinus node and atrial arrhythmias
7. 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
8. Along with Lead II, lead III is most helpful in monitoring changes in what part of
the heart? - ANSWER: Inferior wall MI
9. What are the best areas to place electrodes? - ANSWER: on soft tissue
10. The ekg produces an upright pattern on the paper in response to electrical
activity in the heart flowing towards a - ANSWER: positive electrode
11. The QT interval represents - ANSWER: total ventricular activity
12. What are the AV valves? - ANSWER: mitral and tricuspid
13. What part of the EKG reflects the refractory period? - ANSWER: The QRS to
the peak of the T wave
14. 5 large EKG strip boxes totals how much time? - ANSWER: 1 second
15. The PRI is considered abnormal or prolonged if it is - ANSWER: >0.20 secs
16. What is the most common cause for an alarm sounding? - ANSWER: a loose
lead wire
#$%^&*(*
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2024/2025 WITH COMPLETE SOLUTIONS
1. When the sympathetic nerve fibers are stimulated, the heart rate is
____________. - ANSWER: elevated
2. Electrode location sites should be rotated _______________ or when the pt is
sweaty or has had a bath. - ANSWER: q24h
3. What method is used to calculate atrial and ventricular rate for irregular rhythms?
- ANSWER: 6 second rule
4. T or F: The qrs complex in MCL1 can be negative and still be normal. -
ANSWER: T
5. A wave form is a movement ______________ the isoelectric line in either a
positive or negative direction. - ANSWER: away from
6. Lead II is helpful in detecting.... - ANSWER: sinus node and atrial arrhythmias
7. What affects preload: volume in the veins, pressure in the arteries or ventricles,
or volume of blood in the ventricles? - ANSWER: volume in the veins
8. Along with Lead II, lead III is most helpful in monitoring changes in what part of
the heart? - ANSWER: Inferior wall MI
9. What are the best areas to place electrodes? - ANSWER: on soft tissue
10. The ekg produces an upright pattern on the paper in response to electrical
activity in the heart flowing towards a - ANSWER: positive electrode
11. The QT interval represents - ANSWER: total ventricular activity
12. What are the AV valves? - ANSWER: mitral and tricuspid
13. What part of the EKG reflects the refractory period? - ANSWER: The QRS to
the peak of the T wave
14. 5 large EKG strip boxes totals how much time? - ANSWER: 1 second
15. The PRI is considered abnormal or prolonged if it is - ANSWER: >0.20 secs
16. What is the most common cause for an alarm sounding? - ANSWER: a loose
lead wire
#$%^&*(*
&^%$#$%^
&*(&^%$%
