Cardiovascular System Quiz

Which of the following is true about the Heart's chambers?

• Atria are the lower chambers that pump blood out

• Ventricles are the upper chambers where blood arrives

• Atria are where blood arrives, and Ventricles are where blood is sent out

• All four chambers pump blood to the lungs only

What is the primary function of the cardiovascular system?

• To produce oxygen for the body

• To transport nutrients and oxygen to cells and remove waste products

• To store energy in the form of fat

• To control the movement of muscles

Why is the Left Ventricle the most muscular chamber of the heart?

• It needs to pump blood a short distance to the lungs

• It receives blood from the superior vena cava

• It must pump oxygenated blood to the entire body

• It is the only chamber that contains valves

What structure prevents the mixing of oxygenated and deoxygenated blood?

• Valves

• Septum

• Aorta

• Vena Cava

Which blood vessel carries blood AWAY from the heart?

• Vein

• Capillary

• Artery

• Vena Cava

TRICKY: Which artery is the only one that carries deoxygenated blood?

• Aorta

• Pulmonary artery

• Coronary artery

• Systemic artery

Why do veins have valves?

• To withstand high blood pressure

• To help oxygen diffuse into tissues

• To prevent blood from flowing backwards

• To speed up the blood flow to the body

Which statement best describes capillaries?

• They have thick muscular walls

• They are the site of nutrient and gas exchange and are one cell thick

• They carry blood directly from the lungs to the heart

• They are the largest blood vessels in the body

In the Pulmonary Circuit, where does blood go after leaving the Right Ventricle?

• To the rest of the body via the aorta

• To the lungs via the pulmonary arteries

• To the left atrium via the pulmonary veins

• Back to the right atrium

What is the largest artery in the human body?

• Vena Cava

• Pulmonary Vein

• Aorta

• Septum