Quiz on Circulatory System Part 2

What type of circulation is responsible for moving blood through the lungs?

• Systemic circulation

• Pulmonary circulation

• Coronary circulation

• Lymphatic circulation

Which side of the heart is responsible for pumping blood to the lungs?

• Left side

• Right side

• Both sides

• Neither side

Where does systemic circulation transport blood?

• To the lungs

• Through the body

• To the heart only

• To the brain only

Which gas is taken up by the blood in the lung capillaries?

• Carbon dioxide

• Oxygen

• Nitrogen

• Helium

What is the primary gas exchanged in the lung capillaries?

• Nitrogen

• Carbon dioxide

• Oxygen

• Methane

What should you remember about the direction of blood flow in arteries?

• Arteries carry blood towards the heart

• Arteries carry blood away from the heart

• Arteries carry deoxygenated blood towards the heart

• Arteries carry oxygenated blood towards the heart

What is the main difference between arteries and veins in terms of elasticity?

• Arteries are less elastic than veins.

• Veins are more elastic than arteries.

• Arteries are elastic to cope with surging blood, while veins are not.

• Both arteries and veins are equally elastic.

What is the function of the endothelium in blood vessels?

• To store blood

• To provide elasticity

• To line the interior surface of blood vessels

• To pump blood

Which statement is true about veins?

• They are elastic to cope with surging blood.

• They have valves to prevent backflow.

• They have a thick layer of smooth muscle.

• They carry oxygen-rich blood.

What happens during diastole?

• The heart muscle contracts.

• The heart muscle relaxes.

• The heart muscle stops.

• The heart muscle pumps faster.