Circulatory System Test REVIEW

The superior chambers of the heart are called the __________.

• coronary chambers

• ventricles

• vena cava

• atrium

The role of the atrioventricular node (AV node) is to __________.

• initiate ventricular depolarization

• conduct impulses to the sinoatrial node (SA node)

• slow down impulses so that the atria can contract to fill the adjacent ventricles with blood

• initiate a sinus rhythm

Which type of blood vessels carries blood away from the heart?

• Veins

• Arteries

• Capillaries

• Arteries, veins and capillaries

What links the arteries to the veins?

• Muscle

• Capillaries

• Arterioles

• VenioIes

The heart has how many chambers?

• 1

• 2

• 3

• 4

What divides the left and right sides of the heart?

• Septum

• Sternum

• Coronary Sinus

• Chordae tendinae

Which layer is the muscle layer of the heart?

• epicardium

• endocardium

• myocardium

• pericardium

What is the only artery that carries deoxygenated blood?

• aortic

• mitral

• pulmonary

• vena cava

The Pericardial cavity contains fluid that helps the heart (a)   .

• reduce friction
• move the blood

• process viscous blood

• by absorbing blows to prevent injury

The circulatory system is composed of...

• The heart, blood, and blood vessels.

• The heart, the brain, and the lungs.

• The lungs, the blood, and the blood vessels.

• The brain, the heart, and the blood vessels.

Tags

NGSS.MS-LS1-3