Review Cardiovascular System Test

Which chamber of the heart is the aorta connected to?

• left ventricle

• right atrium

• right ventricle

• left atrium

Which valve prevents backflow into the left atrium?

• bicuspid valve

• tricuspid valve

• pulmonary valve

• aortic valve

Which vessels carry oxygenated blood from the lungs to the heart?

• pulmonary veins

• pulmonary arteries

• vena cava

• aorta

Which structure in the heart is responsible for pumping oxygenated blood to the body?

• Left atrium

• Left ventricle

• Right atrium

• Right ventricle

Which chambers of the heart hold oxygenated blood?

• left atrium and ventricle

• right atrium and ventricle

• right atrium and left ventricle

• right ventricle and left atrium

Which valves close first when the ventricles contract, semilunar or tricuspid?

• Tricuspid

• Semilunar

• Mitral

• Aortic

When there is a leaky valve and the heart beat has a swoosh sound, the person has a heart _______.

• murmur

• attack

• blockage

• failure

What structure divides the ventricles of the heart?

• interventricular septum

• atrioventricular valve

• pulmonary artery

• chordae tendineae

The aortic valve closes immediately after blood has been pumped out of the _________

• left ventricle into the aorta

• right ventricle into the pulmonary artery

• left atrium into the left ventricle

• right atrium into the right ventricle

What are the three layers of the heart called? Which one is the thickest layer? Which one is the inner layer of the pericardium that covers the heart? Which one lines the inside of the ventricles and atria?

• Three layers: epicardium, myocardium, endocardium. Thickest: myocardium. Inner layer of pericardium: epicardium. Lines inside of ventricles and atria: endocardium.

• Three layers: pericardium, myocardium, endocardium. Thickest: endocardium. Inner layer of pericardium: myocardium. Lines inside of ventricles and atria: pericardium.

• Three layers: epicardium, pericardium, endocardium. Thickest: pericardium. Inner layer of pericardium: endocardium. Lines inside of ventricles and atria: myocardium.

• Three layers: endocardium, myocardium, pericardium. Thickest: epicardium. Inner layer of pericardium: pericardium. Lines inside of ventricles and atria: myocardium.