Which is placed on the patient's skin to measure the ECG?
electrodes
monitors
wires
tubes
How many electrodes are placed on the patient's limbs in a conventional 12-lead ECG?
9
10
4
6
Which wave represents depolarization of the atria?
P wave
Z wave
K wave
I wave
Which wave represents repolarization of the ventricles?
T wave
S wave
P wave
Z wave
From where the progression of depolarization starts during each heartbeat?
atrium
ventricles
the sinoatrial node
hypokalemia
State true or false.
Continuous monitoring of ECG is used for critically ill patients.
true
false
To how many types the Leads of ECG are broken down?
8
2
5
6
Where do the ECGs are normally printed?
paper
grid
chart
none of the mentioned
What is a heart rate below normal called?
Ventricular fibrillation
Bradycardia
Vital signs
Normal sinus rhythm
What is the ventricular rate in ventricular fibrillation?
greater than 300
lesser than 300
greater than 200
more than 100
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