Cardiovascular Unit Test Review

How does blood enter the heart from the body?

• Right Atrium

• Superior Aorta

• Inferior Ventricle

• Superior and Inferior Vena Cava's

A human heart has ________ chambers?

• 2

• 4

• 6

• 8

The actual heart muscle is called this.

• Epicardium

• Myocardium

• Endocardium

• Pericardium

____________ delivers blood to the lungs.

• Pulmonary Arteries

• Pulmonary Veins

• Pulmonary Valve

• Aorta

Which of the following pumps blood to all parts of the body?

• Pulmonary Veins

• Aorta

• Superior and Inferior Vena Cava's

• Capillaries

Where does blood exchange CO2 (carbon dioxide) for O2 (oxygen)?

• Heart

• Brain

• Capillaries

• Lungs

The contracting of the heart is known as ________________?

• Diastole

• Systole

• Asystole

• Repolarization

Another name for the pacemaker of the heart is?

• AV (atrioventricular) Node

• Bundle of His

• SA (sinoatrial) Node

• Purkinje Fibers

______________ is when the atria and ventricles RELAX.

• Diastole

• Systole

• Asystole

• Contract

Which of the following delays the electrical impulse in the heart so the atria can fill up?

• AV (atrioventricular) Node

• SA (sinoatrial) Node

• VA Node

• Bundle of His