This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 56 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 56 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When your blood does not have oxygen (it may also contain Carbon Dioxide), it is what color A) Blue. B) Purple. C) Red. D) Green. Show Answer Correct Answer: A) Blue. 2. The instrument that is used to measure blood pressure. A) Ultrasound. B) Sphygmomanometer. C) ECG. D) Stethoscope. Show Answer Correct Answer: B) Sphygmomanometer. 3. A patient has the antecubital veins listed below. All the veins are large and easily palpated, but the basilic vein is the most visible. Which one should be chosen for venipuncture? A) Median Basilic. B) Basil. C) Median. D) Median cephalic. Show Answer Correct Answer: C) Median. 4. Red Blood Cells are known as A) Leucocytes. B) Hemoglobin. C) Erythrocytes. D) Thrombocytes. Show Answer Correct Answer: C) Erythrocytes. 5. Choose the correct blood vessels. A) Artery. B) Vein. C) Capillaries. D) All of the above. Show Answer Correct Answer: D) All of the above. 6. What direction does blood flow through veins? A) Into the heart. B) Away from the heart. C) Into and away from the heart. D) Blood does not flow through arteries. Show Answer Correct Answer: A) Into the heart. 7. What is happening during Diastole? A) Ventricles are relaxing. B) Ventricles are contracting. Show Answer Correct Answer: A) Ventricles are relaxing. 8. The organization of the human body from LEAST complex to most complex is: A) Cells $\rightarrow$ Tissue $\rightarrow$ Organ $\rightarrow$ Organ System $\rightarrow$ Organism. B) Organism $\rightarrow$ Organ Systems $\rightarrow$ Organ $\rightarrow$ Tissue $\rightarrow$ Cells. Show Answer Correct Answer: A) Cells $\rightarrow$ Tissue $\rightarrow$ Organ $\rightarrow$ Organ System $\rightarrow$ Organism. 9. What is the pacemaker of the heart? A) Bradycardia. B) Left ventricle. C) Atrial depolarization (contraction). D) Because of the difference. Show Answer Correct Answer: D) Because of the difference. 10. Which system keeps the blood flowing in one direction through the heart? A) Switches. B) One-way valves. C) Veins. D) Pumps. Show Answer Correct Answer: B) One-way valves. 11. When you have ..... it makes the heart work harder A) Small capillaries. B) Aortic valves. C) Atherosclerosis. D) High blood pressure. Show Answer Correct Answer: D) High blood pressure. 12. Which blood vessels send blood to the heart? A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: B) Veins. 13. Atrial septum is more.....than ventricular septum. Atrial fibrillation is greater than ventricular fibrillation. A) Thicker. B) Thinner. C) Similar. D) None is none. Show Answer Correct Answer: B) Thinner. 14. Which is correct statement for hypertension? A) It is known as high blood pressure. B) It occurs when the amount of red blood cells in our body is low. C) It may be cause by a diet with too much fat. D) It occurs when white blood cells multiply abnormally. Show Answer Correct Answer: A) It is known as high blood pressure. 15. What can you infer from the fact that your heart beats faster when you exercise? A) When you exercise, your muscles need more oxygen. B) When you exercise, your cells need more carbon dioxide. C) When you exercise, you feel especially nervous. D) None of above. Show Answer Correct Answer: A) When you exercise, your muscles need more oxygen. 16. What cause the heart sound Lub? A) Closing of the AV valves. B) Opening of the AV valves. C) Opening of the SL Valves. D) Closing of the SL Valves. Show Answer Correct Answer: A) Closing of the AV valves. 17. What is NOT true about sickle cell anaemia? A) It can be detected from a blood sample. B) Some of the red blood cellsare shaped like sickles. C) Such red blood cells cannot transport enough oxygen. D) It is caused by plasmodium. Show Answer Correct Answer: D) It is caused by plasmodium. 18. All veins carry oxygen-poor blood back to the heart, EXCEPT A) The superior vena cava. B) The blue veins. C) The pulmonary veins. D) The inferior vena cava. Show Answer Correct Answer: C) The pulmonary veins. 19. For mammals and birds, the component of heart consists of: A) One atrium and one ventricle. B) Two atria and one ventricle. C) Two atria and two ventricles. D) Two atria and three ventricles. Show Answer Correct Answer: C) Two atria and two ventricles. 20. Where does the 'lub dub of a heart beat come from? A) The sound of blood being pushed against the aorta. B) The sound of blood being pushed against veins. C) The sound of blood being pushed against closed, one-way valves. D) The sound of blood being pushed against arteries. Show Answer Correct Answer: C) The sound of blood being pushed against closed, one-way valves. 21. True or False:A doctor uses a stethoscope to listen to a person's heart. A) False. B) True. Show Answer Correct Answer: B) True. 22. Which vein brings the carbon dioxide rich blood from the upper half of the body to the heart? A) Inferior vena cava. B) Hemiazygos vein. C) Azygos vein. D) Superior vena cava. Show Answer Correct Answer: D) Superior vena cava. 23. The phase in the cardiac cycle when blood is pumped out of the ventricles is called: A) Ventricular diastole. B) Atrial systole. C) Atrial systole. D) Ventricular systole. Show Answer Correct Answer: D) Ventricular systole. 24. This is a blood disorder in which the blood does not clot. A) Leukemia. B) Hemophilia. C) Tachycardia. D) None of above. Show Answer Correct Answer: B) Hemophilia. 25. This system brings oxygen into your body and gets rid of carbon dioxide. A) Circulatory. B) Respiratory. C) Skeletal. D) Muscular. Show Answer Correct Answer: B) Respiratory. 26. Deoxygenated blood pathway arrange steps from 1-7:tricuspid valve A) 1. B) 2. C) 3. D) 4. E) 5. Show Answer Correct Answer: C) 3. 27. Is the vessel that transports the blood from the heart to the lungs. A) Pulmonary Artery. B) Inferior Vena Cava. C) Pulmonary Vein. D) Superior Vena Cava. Show Answer Correct Answer: A) Pulmonary Artery. 28. Which type of vessel carries oxygen poor blood to the heart? A) Veins. B) Arteries. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Veins. 29. What is the function (job) of the platelets? A) To form clots (i.e. scabs) when you have cuts. B) To transport oxygen to the muscles. C) To carry dissolved sugars. D) To produce antibodies. Show Answer Correct Answer: A) To form clots (i.e. scabs) when you have cuts. 30. What is the liquid portion of blood called? A) Platelets. B) Plasma. C) Red blood cells. D) White blood cells. Show Answer Correct Answer: B) Plasma. 31. Honey dew means..... A) The fluid taken from plants. A liquid extracted from plants. B) The fluid taken from flowers. C) The fluid that is excreted out from aphids and bees. తేనెటీగలు ఎఫిడ్లు ద్రవము. D) The fluid that is digested by aphids and bees. AP Dew is a liquid digested by bees. Show Answer Correct Answer: C) The fluid that is excreted out from aphids and bees. తేనెటీగలు ఎఫిడ్లు ద్రవము. 32. What size are the veins A) Small. B) Medium. C) Huge. D) Large. Show Answer Correct Answer: B) Medium. 33. What protein helps a red blood cell get/gather oxygen? A) Plasma. B) Hemoglobin. C) Platelets. D) None of above. Show Answer Correct Answer: B) Hemoglobin. 34. What is meant by blood circulation? A) The process of exchanging substances between blood and body tissues. B) Blood travels from the heart throughout the body and back to the heart. C) The process of blood formation in the bone marrow. D) Movement of blood through blood vessels. Show Answer Correct Answer: B) Blood travels from the heart throughout the body and back to the heart. 35. Measurement of the thickness and stickiness of an individual's blood. A) Blood viscosity. B) Blood type. C) Blood pressure. D) Blood volume. Show Answer Correct Answer: A) Blood viscosity. 36. The combining form for vein is: A) Card. B) Friend. C) Phleb/o. D) Both b and c. Show Answer Correct Answer: D) Both b and c. 37. ..... occurs when ventricles of the heart contract and blood is forced into the arteries, pressure increases A) Heart murmurs. B) Heart attack. C) Systolic pressure. D) Angina pectoris. E) Diastolic pressure. Show Answer Correct Answer: C) Systolic pressure. 38. ..... only open one-way and they are like on and off switches to let blood in and out of the heart. A) Ventricles. B) Aorta. C) Atria. D) Valves. Show Answer Correct Answer: D) Valves. 39. 90% of Plasma is made up of what? A) Water. B) Proteins. C) Hormones. D) Salts. Show Answer Correct Answer: A) Water. 40. What can increase the risk of getting high blood pressure? A) Genetics. B) Eating too much salt and not enough fruit and vegetables. C) Getting enough exercise. D) Not having enough rest. Show Answer Correct Answer: B) Eating too much salt and not enough fruit and vegetables. 41. Which circulation loop is between the heart and the body? A) Systemic circulation. B) Artery circulation. C) Pulmonary circulation. D) Coronary circulation. Show Answer Correct Answer: A) Systemic circulation. 42. Where do red blood cells pick up oxygen? A) In the arteries. B) Inside the heart. C) Al the level of alveoli. D) In the veins. Show Answer Correct Answer: C) Al the level of alveoli. 43. An untreated Rh negative mother is having an Rh positive baby. Which condition might be suspected in the baby? A) Multiple myeloma. B) Polycthemia. C) Sickle cell anemia. D) Erythroblastosis fetalis. Show Answer Correct Answer: D) Erythroblastosis fetalis. 44. What is the average heart rate for a healthy adult at rest? A) 40-60 beats per minute. B) 80-120 beats per minute. C) 100-140 beats per minute. D) 60-100 beats per minute. Show Answer Correct Answer: D) 60-100 beats per minute. 45. The blood enters on the left side of the heart through the ..... and enters the left atrium. It then passes through the ..... to enter the left ventricle.* A) Pulmonary artery, mitral valve. B) Pulmonary vein, tricuspid valve. C) . pulmonary vein, bicuspid valve. D) Pulmonary artery, aortic valve. Show Answer Correct Answer: C) . pulmonary vein, bicuspid valve. 46. What is a factor that is measured for change in an experiment? A) Independent variable. B) Constant. C) Dependent variable. D) Control. Show Answer Correct Answer: C) Dependent variable. 47. Regulates blood flow between the right atrium and right ventricle A) Tricuspid valve. B) Pulmonary trunk. C) Aorta. D) Atria. Show Answer Correct Answer: A) Tricuspid valve. 48. Where is bile stored? A) Liver. B) Gall bladder. C) Stomach. D) Pancreas. Show Answer Correct Answer: B) Gall bladder. 49. This is the part of the blood that is mostly water and carries blood cells around the body. A) White blood cells. B) Plasma. C) Red blood cells. D) Platelets. Show Answer Correct Answer: B) Plasma. 50. What is the main function of plasma? A) Transportation. B) Carry Oxygen. C) Clotting Blood. D) Fighting Disease. Show Answer Correct Answer: A) Transportation. 51. Pulmonary vein carries oxygenated blood to the ..... atrium. A) Left. B) Right. C) Not one of the above. D) None of above. Show Answer Correct Answer: A) Left. 52. What is another name for the cardiovascular system? A) Respiratory System. B) Endocrine System. C) Digestive System. D) Circulatory System. Show Answer Correct Answer: D) Circulatory System. 53. The right side receives ..... blood from the body and pumps it into the lungs. A) Pure. B) Oxygenated. C) Deoxygenated. D) Impure. Show Answer Correct Answer: C) Deoxygenated. 54. All of the following are jobs of circulatory system EXCEPT A) Breaks food down into nutrients your body can use. B) Takes blood to all parts of your body. C) Carries things to your cells that they need like oxygen, food, and other things. D) Picks up the waste products like carbon dioxide from the cells. Show Answer Correct Answer: A) Breaks food down into nutrients your body can use. 55. Which of the following organs fits the definition?-carry deoxygenated blood from the body to the heart so that the system can renew and be sent to the lungs A) Lungs. B) Arteries. C) Heart. D) Veins. Show Answer Correct Answer: D) Veins. 56. What is the dome-shaped muscle beneath the lungs that helps us breathe. A) Dialysis. B) Diorama. C) Diagram. D) Diagram. Show Answer Correct Answer: C) Diagram. 57. The middle layer of the heart A) Left ventricle. B) Myocardium. C) Endocardium. D) Epicardium. Show Answer Correct Answer: B) Myocardium. 58. True or False:The right atrium receives blood low in oxygen from the body and then empties the blood into the right ventricle. A) True. B) False. Show Answer Correct Answer: A) True. 59. Which type of blood vessles carry blood away from the heart? A) Veins. B) Capillaries. C) Arteries. D) Venules. Show Answer Correct Answer: C) Arteries. 60. A component of blood that helps in blood clotting. A) Plasma. B) Platelet. C) RBC. D) WBC. Show Answer Correct Answer: B) Platelet. ← 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