
ECG Basics
Quiz
•
Other
•
University
•
Practice Problem
•
Hard
M.Parthiban Munuswamy
Used 2+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
What is the main function of the cardiac conduction system?
Digest food
Control body temperature
Regulate blood pressure
Regulate the heart's rhythm and coordinate the contraction of heart chambers.
2.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Which part of the heart is known as the pacemaker?
sinoatrial (SA) node
ventricles node
heartstrings
atrioventricular (AV) node
3.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
What does the P wave represent in an ECG waveform?
Atrial depolarization
Ventricular depolarization
Atrial repolarization
Ventricular repolarization
4.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
What does the QRS complex represent in an ECG waveform?
AV node delay
Atrial repolarization
Ventricular depolarization
SA node firing
5.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Which lead is commonly used to monitor the heart's electrical activity?
Lead III
Lead IV
Lead V
Lead II
6.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Where is the positive electrode placed in Lead I?
Left leg (LL)
Right leg (RL)
Right arm (RA)
Left arm (LA)
7.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
What does a prolonged PR interval indicate in an ECG?
Delayed conduction through the AV node
Normal heart conduction
Increased heart rate
Low blood pressure
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