MCQ on Cardiovascular SystemBy admin / August 1, 2025 0 votes, 0 avg 6 Get Ready Time Up Cardiovascular System Test your knowledge on Cardiovascular System of Human Body 1 / 10 Which of the following veins carries oxygenated blood from the lungs to the heart? Pulmonary vein Jugular vein Femoral vein Renal vein 2 / 10 Which of the following is responsible for blood clotting? Platelets White blood cells Red blood cells Plasma 3 / 10 What is the primary function of the cardiovascular system? To produce hormones To filter waste products from the blood To regulate blood sugar levels To circulate blood and transport oxygen and nutrients 4 / 10 What structure prevents backflow of blood in the heart? Heart muscle Heart valves Arteries Capillaries 5 / 10 Which of the following is the largest artery in the body? Aorta Femoral artery Carotid artery Pulmonary artery 6 / 10 Which of the following blood vessels carry oxygenated blood? Veins Arteries Lymphatic vessels Capillaries 7 / 10 Which heart chamber receives deoxygenated blood from the body? Left ventricle Left atrium Right ventricle Right atrium 8 / 10 The electrical impulses that regulate heartbeats are generated by which part of the heart? Bundle of His Sinoatrial (SA) node Purkinje fibers Atrioventricular (AV) node 9 / 10 What is hypertension? Heart failure High blood pressure Irregular heartbeats Low blood pressure 10 / 10 What is the function of red blood cells in the cardiovascular system? To fight infection To regulate blood pressure To clot the blood To carry oxygen Your score isThe average score is 85% 0% Restart quiz