Heart Excitation Lesson

What area of the heart is responsible for the delay of conduction between the atrium and ventricles?

• Right bundle branch

• AV node

• Bundle of his

• Bachmann bundle

True and False: The SA node is located in the left atrium.

• True

• False

The two superior receiving chambers of the heart are known as the _________

• atria
• ventricles

The term that means heart contraction is ________.

• diastole
• systole
• tachycardia
• fibrillation

The VOLUME of blood pumped out of a ventricle with each heartbeat is known as ________ 

• Heart Rate
• Stroke Volume
• Cardiac Output
• Blood Pressure

Large blood vessels that carry blood away from the heart are called:

• arteries
• capillaries
• veins
• venae cavae

The sinoatrial node is located in the ________.

• aorta
• right atrium
• left atrium
• right ventricle

Which one of the following represents the correct path for the transmission of an impulse in the intrinsic conduction system of the heart?

• AV node, Bundle of His, SA node, Purkinje fibers, bundle branches
• SA node, AV node, Bundle of His, bundle branches, Purkinje fibers
• SA node, Bundle of His, AV node, Purkinje fibers, bundle branches
• SA node, Bundle of His, bundle branches, Purkinje fibers, AV node

What does SA stand for?

• Sinoatrial

• Sinus attack

• Sanoatric

• Something awkward

Which is located within the walls of the ventricles?

• Purkinje fibers

• SA node

• AV node

• AV bundle and branches