Cardiovascular System Quiz Review

About how big is the heart?

• Approximately the size of a closed fist.

• About the size of a grapefruit.

• Similar in size to a large apple.

• Roughly the size of a small orange.

List the 3 layers of the heart wall.

• Epicardium, Myocardium, Endocardium

• Epidermis, Dermis, Hypodermis

• Pericardium, Myocardium, Endocardium

• Epicardium, Myocardium, Pericardium

Where is the bicuspid valve located?

• Between the left atrium and left ventricle

• Between the right atrium and right ventricle

• Between the aorta and left ventricle

• Between the left atrium and pulmonary artery

What chambers are located at the bottom of the heart?

• Atria

• Ventricles

• Arteries

• Veins

Which chambers discharge blood?

• Atria

• Veins

• Ventricles

• Arteries

What type of blood vessel is the Superior and Inferior Vena Cavas?

• Arteries

• Veins

• Capillaries

• Venules

What are chordae tendinea?

• Tendinous cords that anchor the flaps of AV valves to the heart walls.

• Muscles that contract to pump blood from the heart.

• Valves that separate the atria from the ventricles.

• Blood vessels that supply oxygen to the heart muscle.

What is the pericardium?

• A serous membrane that surrounds the heart, also called the pericardial sac. Secretes serous fluid to reduce friction.

• A muscular layer that pumps blood out of the heart.

• A protective layer that covers the lungs and prevents infection.

• A type of connective tissue that supports the heart's structure.

What chambers are located at the top of the heart?

• Atria

• Ventricles

• Septum

• Coronary Sinus

What are the four chambers of the heart?

• Right Atrium

• Right Ventricle

• Left Atrium

• Superior Vena Cava