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WorksheetsConduction System Notes
Total questions: 13
Worksheet time: 8mins
The pacemaker of the heart
AV node
SA node
Bundle of His
Bundle branches
The p-wave correlates with which event?
atrial depolarization
ventricle depolarization
ventricle repolarization
atrial repolarization
Intrinsic electrical impulses start at which of the following locations?
AV Node
Bundle of His
Purkinje fibers
SA Node
Label the EKG Graph
T Wave
P Wave
QRS Complex
Where is the atrioventricular node?
(a)
Where are the Purkinje fibers?
(a)
Where is the bundle of His ?
(a)
What unique ability do pacemaker cells have?
They can contract without electrical impulses
They are not affected by the body's nervous system
They generate their own action potentials without external stimuli
They can survive without oxygen
What is the correct sequence of the cardiac conduction system?
AV node → SA node → Bundle of His → Purkinje fibers
SA node → AV node → Bundle of His → Purkinje fibers
Purkinje fibers → SA node → AV node → Bundle of His
Bundle of His → Purkinje fibers → SA node → AV node
Which part of the EKG waveform represents ventricular depolarization?
P wave
QRS complex
T wave
U wave
