Circulatory System Practice Test

What type of blood vessels carry oxygenated blood away from the heart?

• Veins

• Arteries

• Capillaries

• Venules

Which type of blood vessels have valves to prevent the backflow of blood?

• Arteries

• Capillaries

• Veins

• Venules

Which blood vessels carry deoxygenated blood from the body back to the heart?

• Arteries

• Capillaries

• Veins

• Venules

What is the liquid component of blood that carries nutrients, hormones, and waste products?

• Red blood cells

• White blood cells

• Platelets

• Plasma

Which blood vessels have thin walls that allow for the exchange of nutrients, gases, and waste products with surrounding tissues?

• Arteries

• Capillaries

• Veins

• Venules

The coronary arteries supply blood to which organ of the body?

• Brain

• Kidneys

• Liver

• Heart

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

• Transport oxygen

• Fight infections

• Clotting

• Produce antibodies

Which of the following is NOT a type of white blood cell?

• Neutrophil

• Lymphocyte

• Erythrocyte

• Monocyte

Which component of blood is responsible for clotting and preventing excessive bleeding?

• Red blood cells

• White blood cells

• Platelets

• Plasma

What is the name of the large vein that returns deoxygenated blood from the lower part of the body to the heart?

• Superior vena cava

• Inferior vena cava

• Pulmonary Vein

• Renal vein