WorksheetsHAP #38 - Conduction of the Heart and EKG
Total questions: 20
Worksheet time: 16mins
This refer to what happen to the heart during the different phases of an electrocardiography. Match the following
P wave
The atria contracts
QRS complex
The ventricles contacts
T wave
The atria fill with blood
Match the numbered features of this electrocardiograph with the appropriate name.
P wave
3
QRS complex
1
T wave
2
This refer to what happen to the heart during the different phases of an electrocardiography. Match the lettered features on this EKG with the proper cardiac event.
3
The atria contracts
1
The ventricles contacts
2
The atria fill with blood
Where is the sinoatrial node?
(a)
Where is the sinoatrial node?
(a)
Where is the bundle of His ?
(a)
Where are the Purkinje fibers?
(a)
The septum is identified by what letter? Use only the letter in your answer.
(a)
The P-wave correlates with which event?
atrial depolarization
ventricle depolarization
ventricle repolarization
atrial repolarization
What event is triggered by the depolarization of the atria and ventricles.?
relaxation
contraction
repulsion
bradycardia
What does an electrocardiogram measure?
What blood vessel of the heart delivers richly oxygenated blood to the body?
Read carefully:
What part of the heart delivers oxygenated blood to the heart?
Label the electrical pathway with the appropriate structure
Purkinje Fibers
SA (Sinoatrial) Node
AV (Atrioventricular) Node
Bundle of HIS (AV Bundle)
Right & Left Bundle Branch
Reorder the following to show how the electrical impulse starts and travels through the heart.
SA Node
AV Node
Bundle of His
Right & Left Bundle Branches
Purkinje Fibers
This part of the electrical pathway in the heart is responsible for carrying electrical impulses to the left ventricle.
Right Bundle Branch
Left Bundle Branch
Bundle of His
AV Node
The ________ ______ are responsible for carrying electrical impulses through both ventricles and causing them to contract.
(a)
This part of the pathway is also known as the Pacemaker of the heart. It determines the heart rate and triggers the atria to contract.
AV Node
Bundle of His
Pukinje Fibers
SA Node
