ECHELON EXAM QUESTIONS AND ANSWERS
GRADED A+ 100% GUARANTEED SUCCESS.
When the sympathetic nerve fibbers are stimulated, the heart rate is
____________. ANS >> elevated
Electrode location sites should be rotated _______________ or when
the pt is sweaty or has had a bath. ANS >> q24h
What method is used to calculate atrial and ventricular rate for irregular
rhythms? ANS >> 6 second rule
T or F: The qtrs. complex in MCL1 can be negative and still be normal.
ANS >> T
, A wave form is a movement ______________ the isoelectric line in
either a positive or negative direction. ANS >> away from
Lead II is helpful in detecting.... ANS >> 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? ANS >> volume in the
veins
Along with Lead II, lead III is most helpful in monitoring changes in what
part of the heart? ANS >> Inferior wall MI
What are the best areas to place electrodes? ANS >> on soft tissue
The keg produces an upright pattern on the paper in response to
electrical activity in the heart flowing towards a ANS >> positive electrode
The QT interval represents ANS >> total ventricular activity
What are the AV valves? ANS >> mitral and tricuspid
What part of the EKG reflects the refractory period? ANS >> The QRS to
the peak of the T wave
GRADED A+ 100% GUARANTEED SUCCESS.
When the sympathetic nerve fibbers are stimulated, the heart rate is
____________. ANS >> elevated
Electrode location sites should be rotated _______________ or when
the pt is sweaty or has had a bath. ANS >> q24h
What method is used to calculate atrial and ventricular rate for irregular
rhythms? ANS >> 6 second rule
T or F: The qtrs. complex in MCL1 can be negative and still be normal.
ANS >> T
, A wave form is a movement ______________ the isoelectric line in
either a positive or negative direction. ANS >> away from
Lead II is helpful in detecting.... ANS >> 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? ANS >> volume in the
veins
Along with Lead II, lead III is most helpful in monitoring changes in what
part of the heart? ANS >> Inferior wall MI
What are the best areas to place electrodes? ANS >> on soft tissue
The keg produces an upright pattern on the paper in response to
electrical activity in the heart flowing towards a ANS >> positive electrode
The QT interval represents ANS >> total ventricular activity
What are the AV valves? ANS >> mitral and tricuspid
What part of the EKG reflects the refractory period? ANS >> The QRS to
the peak of the T wave
