Anatomy and Physiology of the Cardiovascular System Quiz

Where is the heart located in the thorax?

• Behind the sternum

• Near the diaphragm

• On the left side

• Above the lungs

What is the weight of the heart?

• 250-350 gm

• 450-550 gm

• 350-450 gm

• 150-250 gm

Which layer of the heart wall is responsible for pumping?

• Fibrous pericardium

• Pericardium

• Myocardium

• Endocardium

What is the function of the atria in the heart?

• Delivering blood under less pressure

• Pumping blood at high pressure

• Ejecting blood into the pulmonary trunk

• Preventing backflow of blood

What is the purpose of the atrioventricular valves?

• Prevent backflow of blood in the heart

• Eject blood from the ventricles

• Carry oxygenated blood to the left atrium

• Supply nutrients to the surrounding cells

Which side of the heart is a pump to the systemic circulation?

• Left side

• Right side

• Neither side

• Both sides

What is the function of the pulmonary circulation?

• Pump blood into the systemic arteries

• Supply oxygenated blood to the lungs

• Carry deoxygenated blood to the left atrium

• Eject blood from the ventricles into the pulmonary trunk

What is the purpose of the semilunar valves?

• Prevent backflow of blood into the heart

• Supply nutrients to the surrounding cells

• Eject blood from the ventricles

• Carry oxygenated blood to the left atrium

Which arteries supply the myocardium of the heart?

• Left and right coronary arteries

• Pulmonary trunk

• Systemic arteries

• Pulmonary arteries

What is the purpose of the coronary circulation?

• Prevent backflow of blood in the heart

• Supply nutrients to the surrounding cells

• Supply oxygenated blood to the lungs

• Pump blood into the systemic arteries