ECHELON EXAM WITH QUESTIONS AND WELL
VERIFIED ANSWERS [ALREADY GRADED A+} REAL
EXAM !!! REAL EXAM !!!
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
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
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
VERIFIED ANSWERS [ALREADY GRADED A+} REAL
EXAM !!! REAL EXAM !!!
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
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
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
