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WorksheetsEKG Basics Quiz
Total questions: 15
Worksheet time: 8mins
What is the purpose of the p wave in an EKG?
To indicate ventricular depolarization
To indicate atrial depolarization
To indicate atrial repolarization
To indicate ventricular repolarization
What does a flat isoelectric line in an EKG indicate?
Ventricular depolarization
No electrical activity
Perpendicular movement of electrical activity
Atrial depolarization
What is the name of the segment between the end of the p wave and the start of the QRS complex?
TP segment
QT segment
ST segment
PR segment
Where is the SA node located?
Right atrium near the entry of the superior vena cava
Left atrium
Right ventricle
Top of the interventricular septum
What is the function of the AV node in an EKG?
To generate action potentials
To repolarize the atria
To repolarize the ventricles
To slow down the conduction of electrical activity
What does an upward deflection in an EKG indicate?
Positive charges moving towards the positive electrode
Negative charges moving towards the positive electrode
Positive charges moving away from the positive electrode
Negative charges moving away from the positive electrode
What is the name of the interval from the beginning of the p wave to the end of the PR segment?
QT interval
ST interval
TP interval
PR interval
What is the main vector of atrial depolarization in an EKG?
Upward and rightward towards the SA node
Downward and leftward towards the AV node
Downward and rightward towards the ventricles
Upward and leftward towards the atria
What is the function of the SA node in an EKG?
To slow down the conduction of electrical activity
To generate action potentials
To repolarize the atria
To repolarize the ventricles
What does a downward deflection in an EKG indicate?
Positive charges moving towards the positive electrode
Negative charges moving towards the positive electrode
Positive charges moving away from the positive electrode
Negative charges moving away from the positive electrode
What is the name of the lead commonly used in the rhythm strips of 12 lead EKGs?
Lead 2
Lead 3
Lead 4
Lead 1
What is the purpose of the AV node in an EKG?
To slow down the conduction of electrical activity
To repolarize the atria
To repolarize the ventricles
To generate action potentials
What does a sinus P wave indicate in an EKG?
Atrial depolarization generated by the SA node
Ventricular depolarization generated by the AV node
Atrial depolarization generated by the AV node
Ventricular depolarization generated by the SA node
What is the direction of positive charges in an EKG when they are flowing towards the positive electrode?
Upward deflection
Downward deflection
No electrical activity
Flat line
What is the function of the AV node in an EKG?
To repolarize the ventricles
To repolarize the atria
To generate action potentials
To slow down the conduction of electrical activity
