Question 1

What is the primary role of the pulmonary artery in the cardiovascular system?

Accepted Answer

Carrying deoxygenated blood from the heart to the lungs

Answer

Carrying oxygenated blood from the heart to the rest of the body

Answer

Returning deoxygenated blood from the body to the heart

Answer

Transporting oxygenated blood from the lungs to the heart

Question 2

Which vessel primarily carries oxygen-poor blood from the body back to the heart?

Accepted Answer

Vena Cava

Answer

Pulmonary artery

Answer

Aorta

Answer

Pulmonary vein

Question 3

What function does the pericardium serve in the cardiovascular system?

Accepted Answer

Protects and lubricates the heart

Answer

Transports oxygen

Answer

Filters blood

Answer

Regulates blood pressure

Question 4

Which part of the cardiovascular system is responsible for setting the pace of the heartbeat?

Accepted Answer

Sinoatrial (SA) node

Answer

Mitral valve

Answer

Vena cava

Answer

Aorta

Question 5

What is the primary function of red blood cells in the cardiovascular system?

Accepted Answer

Transporting oxygen

Answer

Regulating blood pressure

Answer

Clotting blood

Answer

Fighting infections

Question 6

How does the aorta function within the cardiovascular system?

Accepted Answer

Distributes oxygenated blood to the body from the heart

Answer

Filtrates waste from the blood

Answer

Exchanges gases in the lungs

Answer

Returns deoxygenated blood to the heart

Question 7

What role do the veins play in the cardiovascular system?

Accepted Answer

Returning deoxygenated blood to the heart

Answer

Pumping blood through the body

Answer

Transporting oxygenated blood to tissues

Answer

Oxygenating blood

Question 8

Which component of the cardiovascular system is primarily responsible for the exchange of nutrients and wastes at the cellular level?

Accepted Answer

Capillaries

Answer

Heart

Answer

Arteries

Answer

Veins

Question 9

What is the main function of the heart in the cardiovascular system?

Accepted Answer

Pumping blood through the body

Answer

Absorbing nutrients

Answer

Producing red blood cells

Answer

Filtering blood

Question 10

Which part of the cardiovascular system is primarily responsible for the oxygenation of blood?

Accepted Answer

Lungs

Answer

Heart

Answer

Arteries

Answer

Veins

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