ECHELON
ECHELON EXAM QUESTIONS AND ANSWERS GRADED
TO PASS.
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 qtrs. 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
, ECHELON
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 keg produces an upright pattern on the paper in response to electrical activity
in the heart flowing towards an 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
Which lead is the most useful for routine monitoring and monitoring the sinus
node? ANSWER >> Lead II
ECHELON EXAM QUESTIONS AND ANSWERS GRADED
TO PASS.
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 qtrs. 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
, ECHELON
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 keg produces an upright pattern on the paper in response to electrical activity
in the heart flowing towards an 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
Which lead is the most useful for routine monitoring and monitoring the sinus
node? ANSWER >> Lead II
