Echelon quiz / 55 questions and
answers 2023 with complete
solutions.
When the sympathetic nerve fibers are stimulated, the heart rate is ____________. -
-elevated
-Electrode location sites should be rotated _______________ or when the pt is
sweaty or has had a bath. - -q24h
-What method is used to calculate atrial and ventricular rate for irregular rhythms? - -6
second rule
-T or F: The qrs complex in MCL1 can be negative and still be normal. - -T
-A wave form is a movement ______________ the isoelectric line in either a positive
or negative direction. - -away from
-Lead II is helpful in detecting.... - -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? - -volume in the veins
-Along with Lead II, lead III is most helpful in monitoring changes in what part of the
heart? - -Inferior wall MI
-What are the best areas to place electrodes? - -on soft tissue
, -The ekg produces an upright pattern on the paper in response to electrical activity in
the heart flowing towards a - -positive electrode
-The QT interval represents - -total ventricular activity
-What are the AV valves? - -mitral and tricuspid
-What part of the EKG reflects the refractory period? - -The QRS to the peak of the T
wave
-5 large EKG strip boxes totals how much time? - -1 second
-The PRI is considered abnormal or prolonged if it is - ->0.20 secs
-What is the most common cause for an alarm sounding? - -a loose lead wire
-Which lead is the most useful for routine monitoring and monitoring the sinus node? -
-Lead II
-Which lead is helpful in monitoring atrial rhythms and hemiblocks? - -Lead I
-What is the normal measurement of a QRS complex? - -0.04-0.10
-What are EKG artifacts? - -false cardiac waveforms
-What is the first step in preparing a pt for an EKG? - -reassuring the pt and
maintaining privacy
-What are the factors that impact afterload? - -arterial contractility, pressure, and
resistance
answers 2023 with complete
solutions.
When the sympathetic nerve fibers are stimulated, the heart rate is ____________. -
-elevated
-Electrode location sites should be rotated _______________ or when the pt is
sweaty or has had a bath. - -q24h
-What method is used to calculate atrial and ventricular rate for irregular rhythms? - -6
second rule
-T or F: The qrs complex in MCL1 can be negative and still be normal. - -T
-A wave form is a movement ______________ the isoelectric line in either a positive
or negative direction. - -away from
-Lead II is helpful in detecting.... - -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? - -volume in the veins
-Along with Lead II, lead III is most helpful in monitoring changes in what part of the
heart? - -Inferior wall MI
-What are the best areas to place electrodes? - -on soft tissue
, -The ekg produces an upright pattern on the paper in response to electrical activity in
the heart flowing towards a - -positive electrode
-The QT interval represents - -total ventricular activity
-What are the AV valves? - -mitral and tricuspid
-What part of the EKG reflects the refractory period? - -The QRS to the peak of the T
wave
-5 large EKG strip boxes totals how much time? - -1 second
-The PRI is considered abnormal or prolonged if it is - ->0.20 secs
-What is the most common cause for an alarm sounding? - -a loose lead wire
-Which lead is the most useful for routine monitoring and monitoring the sinus node? -
-Lead II
-Which lead is helpful in monitoring atrial rhythms and hemiblocks? - -Lead I
-What is the normal measurement of a QRS complex? - -0.04-0.10
-What are EKG artifacts? - -false cardiac waveforms
-What is the first step in preparing a pt for an EKG? - -reassuring the pt and
maintaining privacy
-What are the factors that impact afterload? - -arterial contractility, pressure, and
resistance
