WorksheetsEKG 2
Total questions: 15
Worksheet time: 8mins
How many electrodes make up the 12 lead EKG?
12
10
14
8
The standard leads are comprised of which of the following leads?
AVR, AVL, AVF
Lead one, two and three
V leads
both a and b
When the monitor shows a straight line, you should begin troubleshooting by checking which of the following?
attachment of the lead wire
on-off switch
lead selector
all of the above
Which wave form would not be seen in a normal EKG?
P wave
QRS
V wave
T wave
Which of the patient's limbs are the ground lead?
right leg
left leg
right arm
left arm
A positive wave will be pointing in which of the following directions?
upward
downward
toward the negative connection
away from the negative connection
Poor electrode contact can cause which of the following?
wandering baseline
intermittent loss of signal
false low rate alarms
all of the above
Multi-channel recordings...
take more time
take less time
are not necessary
none of the above
A small wave sometimes appearing between the T wave and P wave is which of the following?
U wave
V wave
W wave
M wave
the device that detects skin voltage is which of the following?
amplifier
galvanometer
sensor
none of the above
Leads 1,2, and 3 are the _____ leads.
augmented
chest
standard
limb
The greatest disadvantage of using sensor paste over gel or cream is which of the following?
it affects accuracy
it cannot be used on chest leads
it dries hard and you have to thoroughly clean after each use
stop recording and re-apply the lead wires the same way they were
You are recording lead 1 and notice a negative R wave, what would you do?
ignore it and continue recording
stop recording and call the doctor
stop recording and check to be sure the correct lead wires are connected to the sensors
stop recording and re-apply the lead wires the same way they were
In what order are the waves named?
T wave, QRS wave, P wave
P wave, QRS wave, T wave
P wave, Q wave, R wave, S wave, T wave
P wave, QRS wave, ST segment, T wave
When sensor paste is allowed to accumulate on the sensors, it will cause which of the following?
a variety artifacts
better conduction
irritation to the patient's skin
none of the above
