Cardiovascular System Test

What is the largest artery in the body?

• Brachial

• Femoral

• Aorta

• Arteriole

What are the 2 largest veins in the body?

• Superior vena cava & inferior vena cava

• Superior vena cava & pulmonary vein

• Inferior vena cava & pulmonary vein

• Superior vena cava & left ventricle

What is the smallest branch of arteries?

• Venules

• Arterioles

• Capillaries

• Platelets

What is the smallest branch of veins?

• Venules

• Arterioles

• Capillaries

• Platelets

Which vessels contain valves that prevent the backflow of blood?

• Artery

• Capillary

• Vein

• Arteriole

Dilated swollen veins are called:

• Aneurysm

• Phlebitis

• Varicose veins

• Embolus

The buildup of a fatty deposit on the walls of the arteries is called:

• Arteriosclerosis

• Atherosclerosis

• Embolus

• Phlebitis

Blood pressure is greatest in which vessel?

• Inferior vena cava

• Superior vena cava

• Pulmonary artery

• Aorta

Which structure is known as the pacemaker because it initiates the heartbeat?

• sinoatrial node

• atrioventricular node

• purkinje fibers

• bundle of HIS

The heart is best described as a:

• Muscular pump

• Storage chamber

• Message center

• Filtration unit