This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 79 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 79 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The blood vessel that carries oxygenated blood from the heart to the body cells. A) Pulmonary Vein. B) Aorta. C) Superior Vena cava. D) Pulmonary artery. Show Answer Correct Answer: B) Aorta. 2. Blood that nourishes the body comes from which chamber of the heart? A) Right ventricle. B) Left atrium. C) Left ventricle. D) Right atrium. Show Answer Correct Answer: C) Left ventricle. 3. It pumps blood throughout the body. A) Artery. B) Lungs. C) Heart. D) Blood. Show Answer Correct Answer: C) Heart. 4. The veins of the head, neck, upper extremities, & chest drain here- A) Inferior vena cava. B) Superior vena cava. C) Superior mesenteric artery. D) Inferior mesenteric artery. Show Answer Correct Answer: B) Superior vena cava. 5. What type of blood cells help fight diseases and infections? A) Green blood cells. B) Blue blood cells. C) White blood cells. D) Red blood cells. Show Answer Correct Answer: C) White blood cells. 6. This disorder refers to a slow heart rate. A) Tachycardia. B) Bradycardia. C) Heart murmurs. D) Hypertension. E) Arrhythmia. Show Answer Correct Answer: B) Bradycardia. 7. Low blood pressure in veins is due to A) Their large lumen relative to the diameter. B) Lower blood volume. C) A lot of pressure had been lost at the capillary bed. D) All of the above. Show Answer Correct Answer: D) All of the above. 8. Electric instruments that doctors place inside a person's chest to control the heartbeat. A) Stroke. B) Heart attack. C) Pacemaker. D) Angioplasty. Show Answer Correct Answer: C) Pacemaker. 9. What are the main organs of the circulatory system? A) Skin, nails, & hair. B) Heart, arteries, & veins. C) Brain, spine, & nerves. D) Heart, lungs, & veins. Show Answer Correct Answer: B) Heart, arteries, & veins. 10. The windpipe; a passage through which air moves in the respiratory system. A) Lungs. B) Larynx. C) Bronchi. D) Trachea. Show Answer Correct Answer: D) Trachea. 11. Which statement best describes arteries? A) They have thick walls and transport blood away from the heart. B) They have thick walls and transport blood toward the heart. C) They have thin walls and transport blood away from the heart. D) They have thin walls and transport blood toward the heart. Show Answer Correct Answer: A) They have thick walls and transport blood away from the heart. 12. Which is the correct statement about white blood cells? A) They contain haemoglobin. B) They help the blood to clot. C) They can be produced by a type of blood cell. D) They protect the body against disease. Show Answer Correct Answer: D) They protect the body against disease. 13. Which of the following blood groups is that of the 'Universal donor'? A) AB. B) A. C) O. D) B. Show Answer Correct Answer: C) O. 14. What is the pressure of blood against the walls of blood vessels when the heart is contracting? A) Systolic pressure. B) Diastolic pressure. Show Answer Correct Answer: A) Systolic pressure. 15. Recall which blood vessel serves as the location for the exchange of gases and nutrients between blood and tissue cells. A) Arteries. B) Capillaries. C) Veins. D) None of above. Show Answer Correct Answer: B) Capillaries. 16. Involves the presence or absence of the Rh factor, another antigen, on the red blood cell's surface A) Type A. B) Agglutination. C) Rh grouping system. D) Antigens. E) Infusion. Show Answer Correct Answer: C) Rh grouping system. 17. Which sequence correctly indicates the branching pattern of the human respiratory system? A) Alveoli $\rightarrow$ bronchioles $\rightarrow$ trachea $\rightarrow$ bronchi. B) Alveoli $\rightarrow$ trachea $\rightarrow$ bronchioles $\rightarrow$ bronchi. C) Trachea $\rightarrow$ bronchioles $\rightarrow$ bronchi $\rightarrow$ alveoli. D) Trachea $\rightarrow$ bronchi $\rightarrow$ bronchioles $\rightarrow$ alveoli. Show Answer Correct Answer: D) Trachea $\rightarrow$ bronchi $\rightarrow$ bronchioles $\rightarrow$ alveoli. 18. What are the four main components of the blood? A) Plasma, Red Blood Cells, White Blood Cells, Platelets. B) Plasma, Hemoglobin, White Blood Cells, Platelets. C) Plasma, Red Blood Cells, Hemoglobin, Platelets. D) Plasma, Red Blood Cells, White Blood Cells, Hemoglobin. Show Answer Correct Answer: A) Plasma, Red Blood Cells, White Blood Cells, Platelets. 19. What does the large intestine do? A) Digest the food from this process. B) Makes a pathway for the food. C) Absorbs the food from this process. D) Reabsorb a lot of the water from this process. Show Answer Correct Answer: D) Reabsorb a lot of the water from this process. 20. Blood travelling to the heart from the body cells is A) Oxygen rich and carbon dioxide poor. B) Oxygen rich and carbon dioxide rich. C) Oxygen poor and carbon dioxide poor. D) Oxygen poor and carbon dioxide rich. Show Answer Correct Answer: D) Oxygen poor and carbon dioxide rich. 21. What is it called when a blood vessel supplying blood to the brain is clogged? A) Myocardial infarction. B) Brain freeze. C) Stroke. D) Coronary artery disease. Show Answer Correct Answer: C) Stroke. 22. Which blood vessel takes blood BACK to the heart? A) Arteries. B) Capillaries. C) Veins. D) All of them. Show Answer Correct Answer: C) Veins. 23. From the largest to the smallest the order of blood vessels is A) Capillary, artery and vein. B) Vein, artery and capillary. C) Artery, vein and capillary. D) None of above. Show Answer Correct Answer: C) Artery, vein and capillary. 24. What do the units mmHg stand for? A) Millimetre of mercury. B) Millimetre of nitrogen. C) Millimetre of hydrogen. D) Millimetre of helium. Show Answer Correct Answer: A) Millimetre of mercury. 25. How much amount of water does plasma contains? A) 80%. B) 70%. C) 60%. D) 90%. Show Answer Correct Answer: D) 90%. 26. When you blood is rich in Oxygen, it is what color? A) Green. B) Blue. C) Red. D) Purple. Show Answer Correct Answer: C) Red. 27. Name the one-way structures that control the flow of blood into and out of the chambers of the heart. A) Septum. B) Ventricles. C) Atria. D) Valves. Show Answer Correct Answer: D) Valves. 28. What is full form of AV Valves A) Atrio-Ventricular Valves. B) Septum. C) Ventricles. D) Auricles. Show Answer Correct Answer: A) Atrio-Ventricular Valves. 29. Plasma:fluid in blood::Serum:? A) Solid in blood is your solid part in blood. B) Fluid remains in blood. C) Fluid remains after blood coagulates. D) All the above పైవన్నీ. Show Answer Correct Answer: C) Fluid remains after blood coagulates. 30. Closed blood vascular system occurs in ..... A) Cockroach. B) Euglena. C) Earthworm. D) Housefly. Show Answer Correct Answer: C) Earthworm. 31. Receives the message from the receptor and coordinates a response A) Homeostasis. B) Effector. C) Control center. D) Glucagon. Show Answer Correct Answer: C) Control center. 32. The bottom part of the heart is made up of the right and left ..... A) Ventricles. B) Capillaries. C) Veins. D) None of above. Show Answer Correct Answer: A) Ventricles. 33. Which of the following converts food into energy for the cell? A) Cell membrane. B) Cytoplasm. C) Vacuoles. D) Mitochondria. Show Answer Correct Answer: D) Mitochondria. 34. What is percentage of people with positive Rh A) 90. B) 85. C) 70. D) 75. Show Answer Correct Answer: B) 85. 35. What is the purpose of the superior vena cava and inferior vena cava in the circulatory system? A) Carry oxygen to every cell in the body. B) Carry deoxygenated blood from the body back to the heart. C) Carry blood from the heart to the lungs and back again. D) Carry waste products like carbon dioxide. Show Answer Correct Answer: B) Carry deoxygenated blood from the body back to the heart. 36. ..... is the tissue fluid that diffuse into lymphatic capillaries. A) Hemoglobin. B) Plasma. C) Thymus. D) Lymph. Show Answer Correct Answer: D) Lymph. 37. Which blood vessels have the thickest walls in the circulatory system? A) Capillaries. B) Heart chambers. C) Arteries. D) Veins. Show Answer Correct Answer: C) Arteries. 38. Which blood cells are responsible for helping the immune system attack germs and fight infection? A) Red blood cells. B) Platelets. C) White blood cells. D) Plasma. Show Answer Correct Answer: C) White blood cells. 39. The lack of electrolytes can cause the heart to A) Work harder. B) Pump more efficiently. C) Work better. D) Stop pumping efficiently. Show Answer Correct Answer: D) Stop pumping efficiently. 40. The upper chamber of the heart where blood is received A) Pulmonary. B) Atrium. C) Ventricle. D) Aorta. Show Answer Correct Answer: B) Atrium. 41. A(n) ..... is an immunoglobulin that attaches to the antigen. A) Red blood cell. B) Platelet. C) Antibody. D) Antigen. Show Answer Correct Answer: C) Antibody. 42. Which are small round or oval masses located throughout the body, commonly called "glands?" A) Lacteals. B) Lymph nodes. C) Cisterna chyli. D) None of the above. Show Answer Correct Answer: B) Lymph nodes. 43. Reading of diastolic blood pressure is the reading of pressure of the blood which flows into the heart when A) Septum relax. B) The septum contracts. C) Ventricle relax. D) Ventricle contract. Show Answer Correct Answer: C) Ventricle relax. 44. Which blood type has both A and B antigens on the surface of red blood cells? A) Type AB. B) Type A. C) Type O. D) Type B. Show Answer Correct Answer: A) Type AB. 45. What blood vessel carries oxygenated blood from the lungs back into the heart A) Pulmonary Vein. B) Vena Cava. C) Pulmonary Artery. D) Aorta. Show Answer Correct Answer: A) Pulmonary Vein. 46. Red blood cells contain ..... a protein that contains iron. A) Hormones. B) Hemoglobin. C) White blood cells. D) Platelet. Show Answer Correct Answer: B) Hemoglobin. 47. ..... becomes smaller and thinner as they go away from the heart A) Veins. B) Arteries. Show Answer Correct Answer: B) Arteries. 48. Component of the blood that carries oxygen A) Red blood cell. B) Plasma. C) Platelets. D) White blood cell. Show Answer Correct Answer: A) Red blood cell. 49. Bulge or ballooning in the wall of an artery A) Murmurs. B) Aneurysm. C) Hypertension. D) Hypertension. E) Heart attack. Show Answer Correct Answer: B) Aneurysm. 50. Which valve separates the left ventricle from the aorta? A) Pulmonary Valve. B) Tricuspid Valve. C) Mitral Valve. D) Aortic Valve. Show Answer Correct Answer: D) Aortic Valve. 51. ..... are the parts of the heart. A) Left atrium, right atrium, left part, right part. B) Left atrium, right atrium, left ventricle, right ventricle. C) Left atrium, right atrium, left vessel, right vessel. D) None of above. Show Answer Correct Answer: B) Left atrium, right atrium, left ventricle, right ventricle. 52. What part of your blood helps your blood clot when cut? A) Platelets. B) Red blood cells. C) Plasma. D) White blood cells. Show Answer Correct Answer: A) Platelets. 53. What are the 4 basic blood type? A) A, B, C, D. B) W, X, Y, Z. C) A, B, AB, O. D) C, G, U, T. Show Answer Correct Answer: C) A, B, AB, O. 54. Bleeding from a small cut soon stops due to the release of enzymes from A) Platelets. B) Activated antibodies. C) Hemoglobin. D) White blood cells. Show Answer Correct Answer: A) Platelets. 55. Lymphocytes deal with..... A) Anything. B) Allergy. C) Worm. D) Bacterial infections (specific). Show Answer Correct Answer: D) Bacterial infections (specific). 56. Platelets are also known as: A) Thrombocytes. B) Globulins. C) Granulocytes. D) Monocytes. Show Answer Correct Answer: A) Thrombocytes. 57. What is the oxygen carrying pigment in blood? A) Hemostasis. B) Hematocrit. C) Hemopoesis. D) Hemoglobin. Show Answer Correct Answer: D) Hemoglobin. 58. The heart has a left side and a right side that are separated by a ..... A) Valve. B) Thick wall. C) Ventricle. D) Vein. Show Answer Correct Answer: B) Thick wall. 59. In what way are the circulatory system and nervous system similar? A) They are both structural systems. B) They are both transport systems. Show Answer Correct Answer: B) They are both transport systems. 60. On and off switches to let blood in and out of the heart are known as A) Ventricles. B) Buttons. C) Pulses. D) Valves. Show Answer Correct Answer: D) Valves. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesCirculatory System Quiz 1Circulatory System Quiz 2Circulatory System Quiz 3Circulatory System Quiz 4Circulatory System Quiz 5Circulatory System Quiz 6Circulatory System Quiz 7Circulatory System Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books