Unit 4 - Cardiovascular System

Blood plasma is made primarily of water.

• True

• False

Where is the tricuspid valve located?

• left side of heart between atrium and ventricle

• right side of heart between atrium and ventricle

• right side of heart between ventricle and pulmonary trunk

• left side of heart between ventricle and aorta

What kind of blood does the vena cava dump into the right atrium?

• deoxygenated

• oxygenated

The layers of the heart wall from outside to inside are the

• myocardium, endocardium, epicardium

• endocardium, pericardium, myocardium

• epicardium, myocardium, endocardium

• myocardium, epicardium, endocardium

The ____ circulation is the movement of blood from the heart to the body tissues and back to the heart.

• pulmonary

• systemic

• coronary

• aortic

What are the blood vessels called that supply blood directly to the heart?

• portal veins

• coronary veins

• coronary arteries

• none of the above

Which of the following would not be considered part of the pulmonary circulation?

• right pulmonary artery

• pulmonary veins

• right atrium

• left atrium

What is the formation of blood cells that occurs in red bone marrow called?

• homeostasis

• hemolysis

• hemostasis

• hematopoiesis

What is the left common carotid artery a branch from?

• aorta

• brachiocephalic artery

• subclavian artery

• pulmonary artery

What helps to maintain the flow of blood in the correct direction in the veins?

• pressure from the heart

• special proteins that adhere to venous walls

• valves

• gravity