This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 129 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 129 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Human Red Blood Cells transport A) Hormones. B) Antibodies. C) Dissolved Food. D) Oxygen. Show Answer Correct Answer: D) Oxygen. 2. The blood vessels that transmit the blood from the heart to all of the body A) Arteries. B) Veins. C) Blood capillaries. D) None of above. Show Answer Correct Answer: A) Arteries. 3. Which of the following blood cells are involved in blood clotting? A) Leucocytes. B) Erythrocytes. C) Thrombocytes. D) Red Blood Cells. Show Answer Correct Answer: C) Thrombocytes. 4. What is common on the following diseases:atherosclerosis, stroke, coronary heart disease and hypertensive heart disease? A) Fatty deposit in the artery. B) Hereditary. C) May be acquired due to lifestyle. D) Both the fat deposit in the artery and is lifestyle related. Show Answer Correct Answer: D) Both the fat deposit in the artery and is lifestyle related. 5. They are tubes that connect the heart to the different body parts. A) Blood. B) Blood Vessels. C) Bicuspid Valve. D) Valve. Show Answer Correct Answer: B) Blood Vessels. 6. What are the lower cavities called? A) Right and left angles. B) Right and left hands. C) Right and left ventricles. D) None of above. Show Answer Correct Answer: C) Right and left ventricles. 7. Flap of tissue that seals off the windpipe and prevents food from entering A) Bronchus. B) Tranchea. C) Larynx. D) Epiglottis. Show Answer Correct Answer: D) Epiglottis. 8. Give the major parts of the respiratory system. A) Brain, spinal cord, sensory organs, and all of the nerves that connect these organs with the rest of the body. B) Nose, Pharynx, Larynx, Trachea, Lungs. C) Blood, The heart, Blood vessels, Arteries, Capillaries, Veins. D) None of above. Show Answer Correct Answer: B) Nose, Pharynx, Larynx, Trachea, Lungs. 9. Which part of our circulatory system has the function of clotting blood to stop bleeding? A) Cholesterol. B) Platelets. C) Veins. D) Arteries. Show Answer Correct Answer: B) Platelets. 10. Carries blood back to the heart- A) Arterioles. B) Thrombosis. C) Arteries. D) Veins. Show Answer Correct Answer: D) Veins. 11. Where does hemopoiesis happen? A) Bone. B) Kidneys. C) Liver. D) Heart. Show Answer Correct Answer: A) Bone. 12. Which blood cells are responsible for picking up oxygen in the lungs? A) White blood cells. B) Platelets. C) Plasma. D) Red blood cells. Show Answer Correct Answer: D) Red blood cells. 13. Organ system in which blood moves through vessels A) Septum. B) Circulation. C) Closed circulatory system. D) Blood vessels. Show Answer Correct Answer: C) Closed circulatory system. 14. What is another word for White Blood Cell? A) Leukocyte. B) Monocyte. C) Erythrocyte. D) Platelet. Show Answer Correct Answer: A) Leukocyte. 15. Your heart stops beating when you sleep. A) True. B) False. Show Answer Correct Answer: B) False. 16. What color represents oxygenated blood? A) Red. B) Blue. Show Answer Correct Answer: A) Red. 17. Arteries are blood vessels rich in oxygen A) False. B) True. Show Answer Correct Answer: B) True. 18. Letter A is known as the A) Left Atrium. B) Right Atrium. C) Superior Vena Cava. D) Inferior Vena Cava. Show Answer Correct Answer: C) Superior Vena Cava. 19. Blood vessel that has this following characteristics:thick and elastic wall narrow lumen high pressure A) Capillary. B) Artery. C) Valve. D) Vein. Show Answer Correct Answer: B) Artery. 20. If the blood pressure in the arteries is elevated, it is called ..... A) Hypertension. B) Hyperactivity. C) Tension. D) Cardiac arrest. Show Answer Correct Answer: A) Hypertension. 21. The most popularly known blood grouping is the ABO grouping. It is named ABO & not ABC because 'O' in it refers to having A) No antigens A & B on RBCs. B) One antibody only-either anti-A or anti-B on the RBCs. C) Other antigens besides A & B on RBCs. D) Over dominance of this type on the genes for A & B types. Show Answer Correct Answer: A) No antigens A & B on RBCs. 22. What are the three main components of the circulatory system? A) Blood, brain, lungs. B) Heart, blood, blood vessels. C) Brain, lungs, heart. D) Blood vessels, stomach, heart. Show Answer Correct Answer: B) Heart, blood, blood vessels. 23. What percentage of our blood is plasma? A) 65%. B) 55%. C) 45%. D) 75%. Show Answer Correct Answer: B) 55%. 24. What specific gas is needed by the body and usually involved during the inhalation process? A) Carbon dioxide. B) Oxygen. C) Helium. D) Hydrogen. Show Answer Correct Answer: B) Oxygen. 25. Oxygen and carbon dioxide are transported between the blood and interstitial fluid by way of A) Exocytosis and endocytosis by endothelial cells. B) Diffusion from areas of higher concentration to lower concentration. C) Pinocytosis using fluid-filled vesicles. D) Active transport (using ATP) by protein carriers of endothelial cells. Show Answer Correct Answer: B) Diffusion from areas of higher concentration to lower concentration. 26. Platelets contain nucleus A) True. B) False. Show Answer Correct Answer: B) False. 27. The smooth inner-most layer of the heart. A) Diastole. B) Circulatory system. C) Capillaries. D) Endocardium. Show Answer Correct Answer: D) Endocardium. 28. The circulatory system works with the ..... system to provide our body with nutrient/ food. A) Respiratory. B) Nervous. C) Skeletal. D) Digestive. Show Answer Correct Answer: D) Digestive. 29. What are some common symptoms of a stroke? A) Headache. B) Paralysis of one side of body, slurring speech, facial droop. C) Shortness of breath. D) Chest pain. Show Answer Correct Answer: B) Paralysis of one side of body, slurring speech, facial droop. 30. In an extreme emergency where a man needed an immediate blood transfusion, which blood would it be best to give him to save his life? A) AB. B) O. C) B. D) A. Show Answer Correct Answer: B) O. 31. Heart is located in chest chamber. It is protected by ..... The heart in the chest cavity is protected by me. A) 1, 2 & 3. B) 1&2. C) Vertebral column Spine. D) Pericardial membrane. E) Ribcage. Show Answer Correct Answer: A) 1, 2 & 3. 32. What is chest pains due to temporary blockage of blood flow on the heart? A) Shock. B) Hemorrhage. C) Myocardial infarction. D) Angina pectoris. Show Answer Correct Answer: D) Angina pectoris. 33. The major veins inside the elbow and often used for drawing blood are: A) Superior vena cava and azygos. B) Jugular and inferior vena cava. C) Saphenous and cephalic. D) Cephalic and median cubital. Show Answer Correct Answer: D) Cephalic and median cubital. 34. Relation between pulse rate and heart beat rate ..... A) Slightly differs. B) Slightly resembles. C) Unequal to eachother. D) Equal to each other. Show Answer Correct Answer: D) Equal to each other. 35. What DOES NOT happen when the heart ages? A) The heart gets smaller. B) It increases its strength of contractions. C) The cardiac out put decreases. D) The valves loose some flexibility. Show Answer Correct Answer: B) It increases its strength of contractions. 36. A tumor of the lymph tissue ..... A) Leukemia. B) Lymphocyte. C) Angioma. D) Lymphoma. Show Answer Correct Answer: D) Lymphoma. 37. Oxygen deprived blood enters the heart through the A) Right atrium. B) Left ventricle. C) Right ventricle. D) Left atrium. Show Answer Correct Answer: A) Right atrium. 38. Structure that prevents blood from flowing backwards in the circulatory system A) Atrium. B) Vein. C) Ventricle. D) Valve. Show Answer Correct Answer: D) Valve. 39. The trachea ..... A) Is a tube that takes the air from the nose to the bronchi. B) Takes the blood to every part of the body. C) Is a little sack. D) None of above. Show Answer Correct Answer: A) Is a tube that takes the air from the nose to the bronchi. 40. Rhythmic impulses caused by arterial movements at wrist is called..... A) Cardiac beat. B) Pulse is a nervous response. C) Both. D) None is none. Show Answer Correct Answer: B) Pulse is a nervous response. 41. Another word for breathing out? A) Oxygen. B) Inhale. C) Carbon Dioxide. D) Exhale. Show Answer Correct Answer: D) Exhale. 42. A vein that is the 2nd largest vein in the body and returns to the right atrium of the heart from the upper half of the body A) Inferior vena cava. B) Septum. C) Pericardium. D) Superior vena cava. Show Answer Correct Answer: D) Superior vena cava. 43. When a blood clot travels to the lungs A) Coronary embolism. B) Pulmonary embolism. C) Deep vein thrombosis. D) Pulmonary thrombosis. Show Answer Correct Answer: B) Pulmonary embolism. 44. The ..... 's job is to pump your blood. A) Heart. B) Diaphragm. C) Blood vessel. D) Lung. Show Answer Correct Answer: A) Heart. 45. The membrane that surrounds the lungs is called: A) Singular Membrane. B) Pleural Membrane. C) Cellular Membrane. D) None of above. Show Answer Correct Answer: B) Pleural Membrane. 46. The process of taking in oxygen and releasing carbon dioxide from the body. A) Transpiration. B) Respiration. C) Digestion. D) Relaxation. Show Answer Correct Answer: B) Respiration. 47. After the blood gets oxygen from the lungs, it goes through the pulmonary veins to the hearts ..... A) Right Ventricle. B) Left Atrium. C) Right Atrium. D) Left Ventricle. Show Answer Correct Answer: B) Left Atrium. 48. In the walls of the heart, there layers of tissue that is found in the outer layer and protects the heart it is called the A) Epicardium. B) Endocardium. C) Myocardium. D) Cardiac muscle. Show Answer Correct Answer: A) Epicardium. 49. The heart is found slightly towards the ..... in the chest A) Left. B) Right. C) Centre. D) Both. Show Answer Correct Answer: A) Left. 50. What does the septum do? A) Nutrients, oxygen, antibodies and hormones. B) Carries blood away from the heart. C) Carries the blood to and from the body's cells. D) Separates oxygen rich from oxygen poor blood. Show Answer Correct Answer: D) Separates oxygen rich from oxygen poor blood. 51. How many ventricles are there? A) 0. B) 2. C) 1. D) 10. Show Answer Correct Answer: B) 2. 52. What makes up 55% of the blood? A) White blood cells. B) Red blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: D) Plasma. 53. A system of organs that includes the heart, blood vessels, and blood which is circulated throughout the entire body of a human or other vertebrate A) Red Blood Cells. B) Circulatory System. C) White Blood Cellls. D) Veins. Show Answer Correct Answer: B) Circulatory System. 54. In ABO system of blood groups, O blood group A) Lacks antigens. B) Lacks antibodies. C) Lacks antigens but has antibodies a and b. D) Lacks antibodies but has antigens A and B. Show Answer Correct Answer: C) Lacks antigens but has antibodies a and b. 55. This blood cell contains hemoglobin which helps carry oxygen. These blood cells are replaced every few months. A) White Blood Cells. B) Leukocytes. C) Red blood cells. D) Platelets. Show Answer Correct Answer: C) Red blood cells. 56. Why is it important to keep your digestive system healthy? A) Because it helps you breathe. B) Because it helps your body absorb nutrients. C) Because it helps your blood circulate properly throughout the body. D) None of above. Show Answer Correct Answer: B) Because it helps your body absorb nutrients. 57. When you hear the first heat sound "lub" what is happening in the heart? A) The semilunar valves (SL) open. B) The atrioventricular valves (AV) open. C) The semilunar valves (SL) close. D) The atrioventricular valves (AV) close. Show Answer Correct Answer: D) The atrioventricular valves (AV) close. 58. What pass through capillary walls to enter body tissue and what its main function? A) Thrombocytes and protect cells. B) Leukocytes and fight infection. C) Erythrocytes and transport nutrients. D) None of above. Show Answer Correct Answer: B) Leukocytes and fight infection. 59. Which of the following organisms have single circulation? A) Birds. B) Reptiles. C) Fishes. D) Mammals. Show Answer Correct Answer: C) Fishes. 60. How thick is a capilary? A) 5 cells thick. B) 1 cm thick. C) 1 cell thick. D) 5 cm thick. Show Answer Correct Answer: C) 1 cell thick. ← 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