Vet Science- Circulatory/Respiratory

How many chambers are in the heart?

• One

• Two

• Three

• Four

When blood leaves the right atrium, it enters the ______.

• Left atrium

• Right ventricle

• Left ventricle

• None of the above

The only type of artery in the body which carries deoxygenated blood is ______.

• Superior Vena Cava

• Inferior Vena Cava

• Pulmonary artery

• an aorta

The only type of vein in the body which carries oxygenated blood is ______.

• A pulmonary vein

• pulmonary trunk

• superior vena cava

• inferior vena cava

The pressure exerted by the left ventricle must push blood where?

• To the body

• to the lungs and back to the left atrium

• to the lungs and back to the right atrium

• to the aorta only

Which chamber has the thickest muscular wall?

• right atrium

• left atrium

• right ventricle

• left ventricle

The grooves in which the coronary arteries lie are known as which of the following?

• sulci

• chordae tendineae

• papillary muscles

• cusps

The right ventricle must exert enough pressure to push the blood where?

• to the lungs and back to the left atrium

• to the lungs and body

• to the body and back to the left ventricle

• to the body only

Heart attacks can result from a blockage of

• trachea

• bronchus

• coronary artery

• superior vena cava

The valve between the left atrium and left ventricle is known as the:

• Tricuspid valve

• pulmonary semi-lunar valve

• aortic semi-lunar valve

• bicupsid valve