Blood Vessels and Electrical Conduction of the heart Review

A blood vessel that carries blood TO the heart is called ...

• vein

• capillary

• blood vessel

• artery

What do the arteries do?

• pumps blood to the heart
• pumps blood to and from the heart
• carry's blood away from the heart 
• a muscle 

______________ are the smallest blood vessels found between arteries and veins.

• Arteries

• Veins

• Capillaries

A recording of the electrical events occurring during the cardiac cycle is called an _______.

• EKG

• ATP

• IST

• MRI

• PET

During the cardiac cycle (heart beat), which chambers contract first?

• atria

• ventricles

• blood vessels

• none of these are correct

The ______________ node is the junction between atria and ventricles. This receives the electrical signal from the SA node.

• Atrioventricular (AV)

• sinoatrial (SA)

• bundle branches

• purkinje fibers

• bundle of His

The ______________ node is the pacemaker of the heart that is located at the top of the right atrium and establishes the heart rate.

• Atrioventricular (AV)

• sinoatrial (SA)

• bundle branches

• purkinje fibers

• bundle of His

The blood vessel labeled "A" represents a _______________.

• artery

• vein

• capillary

• none of these are correct

The blood vessel labeled "B" represents a _______________.

• artery

• vein

• capillary

• none of these are correct

The blood vessel labeled "C" represents a _______________.

• artery

• vein

• capillary

• none of these are correct