This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 180 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 180 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Regulates water levels and other chemicals and maintains body temperature is a function of A) Circulatory system. B) Blood. Show Answer Correct Answer: B) Blood. 2. ..... consists of cholesterol, fatty substances, waste products, calcium, and the clot-making substance fibrin. As ..... continues to collect on your artery walls, your arteries narrow and stiffen ..... can clog or damage your arteries, which limits or stops blood flow to your heart muscle. A) TARTAR. B) GINGIVA. C) PLAQUE. D) CAVITY. Show Answer Correct Answer: C) PLAQUE. 3. Without supply of blood the heart muscle won't get glucose or oxygen, so it will stop beating A) True. B) False. Show Answer Correct Answer: A) True. 4. The neuroglial cells that are star-shaped and function for form a barrier between capillaries and neurons are ..... A) Astrocytes. B) Schwann cells. C) Microglial cells. D) Oligodendrocytes. Show Answer Correct Answer: A) Astrocytes. 5. The lungs and respiratory system work closely with the ..... system to make sure oxygen reaches all the cells of our body. A) Nervous. B) Outgrowths. C) Circulatory. D) Digestive. Show Answer Correct Answer: C) Circulatory. 6. The force that blood applies to the walls of a blood vessel is ..... A) Heart Failure. B) Hypertension. C) Hyperactivity. D) Blood pressure. Show Answer Correct Answer: D) Blood pressure. 7. What chamber pumps blood to the body? A) Right atrium. B) Left ventricle. C) Left atrium. D) Right ventricle. Show Answer Correct Answer: B) Left ventricle. 8. Which blood vessels takes blood from the lungs and sends it to the heart? A) Superior vena cava and inferior vena cava. B) Pulmonary artery. C) Pulmonary vein. D) Aorta. Show Answer Correct Answer: C) Pulmonary vein. 9. The Purkinje Fibers cause the ..... to enter systole. A) Ventricles. B) Atria. C) Right ventricle. D) Left atrium. Show Answer Correct Answer: A) Ventricles. 10. Here, the vocal cords will contract and relax to make sound. A) Larynx (voice box). B) Pharynx (throat). C) Diaphragm. D) None of above. Show Answer Correct Answer: A) Larynx (voice box). 11. Which is NOT a main cause of high blood pressure A) Smoking. B) Lack of Exercise. C) Exercise. D) Obestia. Show Answer Correct Answer: C) Exercise. 12. The system that transmits the blood to the body. A) Respiratory system. B) Circulatory system. C) No correct answer. D) None of above. Show Answer Correct Answer: B) Circulatory system. 13. Pulmonary, coronary or systemic circulation? Circulation from the heart to the lungs and back. A) PULMONARY. B) SYSTEMIC. C) CORONARY. D) None of above. Show Answer Correct Answer: A) PULMONARY. 14. What is the role of platelets? A) Blod clotting. B) Producing antibodies. C) Engulfing pathogens. D) None of above. Show Answer Correct Answer: A) Blod clotting. 15. Which type of muscles are non striated? A) Cardiac muscle. B) Smooth muscle. C) Skeletal muscle. D) None. Show Answer Correct Answer: B) Smooth muscle. 16. The brain is part of what? A) Spine. B) Peripheral system. C) Circulatory system. D) Central nervous system. Show Answer Correct Answer: D) Central nervous system. 17. Where does the right side of your heart send blood? A) Feet. B) Kidney. C) Brain. D) Lungs. Show Answer Correct Answer: D) Lungs. 18. What carries oxygen in your body? A) Alveoli. B) Red blood cells. C) Stem cells. D) White blood cells. Show Answer Correct Answer: B) Red blood cells. 19. This organ system brings blood to all the different parts of the body, carrying oxygen, and getting rid of waste. A) Skeletal. B) Circulatory. C) Respiratory. D) Muscular. Show Answer Correct Answer: B) Circulatory. 20. Which of the following statement is not correct about double circulation? Which of the following statements about Eka Balayya blood circulation is not correct? A) Seen in fish. B) Blood flows through the heart twice. Blood flows through twice. C) Observed and named by William Harvey William Harvey named it after its discovery. D) Respiratory organs are generally lungs. Show Answer Correct Answer: A) Seen in fish. 21. What is a main function of the circulatory system? A) To transport nutrients to every cell in the body. B) To break down food for absorption. C) To transmit information through the body using electrical signals. D) To obtain oxygen needed for cell processes. Show Answer Correct Answer: A) To transport nutrients to every cell in the body. 22. When you hold your breath, your body will make you breath because there is too much ..... building up in your lungs. A) Oxygen. B) Carbon dioxide. C) Nitrogen. D) None of above. Show Answer Correct Answer: B) Carbon dioxide. 23. Here are three different body systems. Tick the circulatory system A) . B) . C) . D) None of above. Show Answer Correct Answer: A) . 24. The function of the the sinus node is to A) Carry O2 and release CO2. B) Send and receive signals. C) To trigger the heart by electrical impulses which created in its tissues. D) None of above. Show Answer Correct Answer: C) To trigger the heart by electrical impulses which created in its tissues. 25. What does plasma in your blood do? A) Holds water and protein. B) Carries nutrients, chemicals, and fats. C) Only carries waste. D) None of above. Show Answer Correct Answer: B) Carries nutrients, chemicals, and fats. 26. Supplies blood to the diaphragm A) Superior/inferior phrenic arteries. B) Splenic artery. C) Tibial arteries. D) Superior/inferior mesenteric arteries. Show Answer Correct Answer: A) Superior/inferior phrenic arteries. 27. We all need to have some lipids (fats) in our blood. Fats do important work in our bodies. But too many fats in your blood can be dangerous. This condition is known as high cholesterol (hyperlipidemia). A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 28. The scientific name of a white blood cell A) Erythrocyte. B) Osteocyte. C) Thrombocyte. D) Leukocyte. Show Answer Correct Answer: D) Leukocyte. 29. Which blood type is the universal acceptor? A) AB. B) O. C) B. D) A. Show Answer Correct Answer: A) AB. 30. Plasma consists mainly of ..... A) Platelets. B) Haemoglobin. C) Water. D) White Blood Cells. Show Answer Correct Answer: C) Water. 31. The role of the red blood cells is A) Fight infection. B) Carry oxygen. Show Answer Correct Answer: B) Carry oxygen. 32. Why do capillaries appear purple? A) There is an exchange of oxygenated and deoxygenated blood cells. B) The plasma changes their color. C) There is bruising in the capillaries. D) The blood is actually purple. Show Answer Correct Answer: A) There is an exchange of oxygenated and deoxygenated blood cells. 33. Type of blood vessels taking blood AWAY from the Heart A) Venules. B) Arteries. C) Capillaries. D) Veins. Show Answer Correct Answer: B) Arteries. 34. The volume of blood pumped by each ventricle in 1 minute is called ..... * A) Radial pulse. B) Cardiac output. C) Pumping output. D) Stroke volume. Show Answer Correct Answer: B) Cardiac output. 35. About how many times does big cleetus's heart beat a minute on averageHINT:Big Cleetus will be the same as a human heart A) 140. B) 98.6. C) 70. D) 10. Show Answer Correct Answer: C) 70. 36. How do you spell the tiny blood vessels? A) Capillaries. B) Capillaries. C) Capillaries. D) Capillaries. Show Answer Correct Answer: A) Capillaries. 37. Blood vessle where nutrient, waste, oxygen, and carbon dioxide exchange A) Artery. B) Capillary. C) Vein. D) None of above. Show Answer Correct Answer: B) Capillary. 38. Aortic pressure at its peak during A) Isovolumetric contraction. B) Arterial systole. C) Isovolumetric relaxation. D) Ventricular ejection. Show Answer Correct Answer: D) Ventricular ejection. 39. A heart rate that is substantially slower than normal is called? A) Ventricle depolarization. B) Bradycardia. C) Left ventricle. D) Atrial depolarization (contraction). Show Answer Correct Answer: B) Bradycardia. 40. When you run, more blood is sent to your muscles and less to organs A) False. B) True. Show Answer Correct Answer: B) True. 41. Which chamber pumps blood through the aorta? A) Left atrium. B) Right ventricle. C) Right atrium. D) Left ventricle. Show Answer Correct Answer: D) Left ventricle. 42. What color are veins? A) Purple. B) Black. C) Blue. D) Red. Show Answer Correct Answer: C) Blue. 43. The protein present in RBC is? A) Haemoglobin. B) Albumin. C) Globulin. D) Neurobion. Show Answer Correct Answer: A) Haemoglobin. 44. What body system is responsible for transporting red blood cells throughout the body? **Remember the blood mobile** A) Muscular. B) Circulatory. C) Respiratory. D) Skeletal. Show Answer Correct Answer: B) Circulatory. 45. Which substance circulates throughout the body? A) Saliva. B) Air. C) Food. D) Blood. Show Answer Correct Answer: D) Blood. 46. The type of circulation where the blood flows through the heart to the lungs and back to the heart. A) Pulmonary. B) Systemic. C) Coronary. D) None of above. Show Answer Correct Answer: A) Pulmonary. 47. Which option consists of blood vessels getting narrower and narrower? A) Vein $\rightarrow$ Capillary $\rightarrow$ Artery. B) Artery $\rightarrow$ Arteriole $\rightarrow$ Capillary. C) Artery $\rightarrow$ Capillary $\rightarrow$ Vein. D) Capillary $\rightarrow$ Venule $\rightarrow$ Vein. Show Answer Correct Answer: B) Artery $\rightarrow$ Arteriole $\rightarrow$ Capillary. 48. The main purpose of trombosit is to ..... A) Attack and destroy pathogens. B) Carry gases, wastes and nutrient. C) Clot the blood. D) Digest food. Show Answer Correct Answer: C) Clot the blood. 49. Capillaries connect arteries and veins. A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 50. The heart has 3 chambers. A) True. B) False. Show Answer Correct Answer: B) False. 51. Which of the following are characteristics of a vein:1. carries blood from the heart2. carries to the heart3. has valves4. has pulse A) 1, 3. B) 1, 4. C) 2, 4. D) 2, 3. Show Answer Correct Answer: D) 2, 3. 52. Which of the following is NOT an example of a blood vessel? (Something that moves blood around) A) Capillary. B) Artery. C) Train. D) Vein. Show Answer Correct Answer: C) Train. 53. Given the following structures:1. larynx2. nasal cavity3. bronchi4. trachea Which of the following is the correct order that air would flow during inhalation? A) 1-2-3-4. B) 4-2-3-1. C) 2-1-4-3. D) 2-1-3-4. Show Answer Correct Answer: C) 2-1-4-3. 54. What is the shape of an erythrocyte? A) Biconcave. B) Biconvex. C) Concave. D) Convex. Show Answer Correct Answer: A) Biconcave. 55. Blood is carried back to your heart (atria) in little tubes called ..... A) Veins. B) Blood capillaries. C) Arteries. D) No correct answer. Show Answer Correct Answer: A) Veins. 56. The force of the blood pushing against the walls of the blood vessels is A) Plasma. B) Heart. C) Blood pressure. D) Red blood cells. Show Answer Correct Answer: C) Blood pressure. 57. A chamber of the heart which receives blood from a corresponding atrium and from which blood is forced into arteries A) Vein. B) Valve. C) Ventricle. D) Venule. Show Answer Correct Answer: C) Ventricle. 58. Vinegar is corrosive matter. A) False. B) True. Show Answer Correct Answer: B) True. 59. The valve that separates the left atrium and left ventricle is called A) Bicuspid valve. B) Pulmonary semilunar. C) Aortic semilunar. D) Tricuspid valve. Show Answer Correct Answer: A) Bicuspid valve. 60. What is the bodies first response when a blood vessel is injured? A) You die. B) Stops breathing. C) Contraction of smooth muscle in the vessel walls. D) Increase blood flow and it splatters out. Show Answer Correct Answer: C) Contraction of smooth muscle in the vessel walls. ← 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