Cardiovascular System Quiz Updated

What does an artery do in the cardiovascular system?

• Carries blood away from the heart

• Carries blood to the heart

• Exchanges gases

• Fights infections

What is the role of the pulmonary loop?

• Carries blood away from the heart

• Moves blood between the heart and lungs

• Carries oxygen-rich blood to the body

• Helps fight infections

What does the systemic loop do?

• Moves oxygen-rich blood to the body

• Carries blood away from the heart

• Helps with blood clotting

• Fights infections

What do red blood cells (RBCs) contain that is crucial for oxygen transport?

• Hemoglobin

• Platelets

• White blood cells

• Plasma

What determines the blood type A, B, AB, or O?

• Antigens on RBCs

• Rh Factor

• Plasma composition

• White blood cells

Why do veins have valves?

• To increase blood pressure

• To allow diffusion of nutrients

• To keep blood moving in the right direction against gravity

• To pump blood to the lungs

What is the role of the left ventricle?

• Receives oxygen-poor blood from the body

• Pumps blood to the lungs

• Pumps oxygenated blood to the body

• Controls blood flow to the lungs

What happens in the lungs during blood flow?

• Blood releases oxygen and picks up carbon dioxide

• Blood picks up oxygen and releases carbon dioxide

• Blood releases nutrients and picks up waste

• Blood picks up nutrients and releases waste

What is the function of capillaries?

• Carry oxygenated blood away from the heart

• Carry oxygen-poor blood back to the heart

• Allow diffusion of oxygen and nutrients into tissues

• Contain valves to prevent backflow

During which phase is blood pumped out of the heart?

• Diastole

• Systole

• Relaxation

• Pulse