This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 142 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 142 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A blood cell that is characterized as being ameboid, granular, or agranular is called a/an: A) Thrombocyte. B) Leukocyte. C) Plasma. D) Erythrocyte. Show Answer Correct Answer: B) Leukocyte. 2. The Left lung is made of how many lobes? A) 3. B) 4. C) 2. D) 1. Show Answer Correct Answer: C) 2. 3. A system may best be described as ..... A) The smallest functional unit of life. B) A group of similar cells that have a common function. C) A structure composed of two or more tissue types that perform a specific set of functions. D) A group of organs that work together to perform a major function of the body. Show Answer Correct Answer: D) A group of organs that work together to perform a major function of the body. 4. What type of blood cells help fight diseases? A) White blood cells. B) Red blood cells. C) Blue blood cells. D) Green blood cells. Show Answer Correct Answer: A) White blood cells. 5. What blood vessels carry blood from the heart to the lungs? A) Pulmonary Arteries. B) Pulmonary Veins. C) Aorta. D) Superior and Inferior Vena Cava. Show Answer Correct Answer: A) Pulmonary Arteries. 6. True or False:BLOOD protects, transports, and regulates temperature. A) True. B) False. Show Answer Correct Answer: A) True. 7. The system of blood vessels in the human body measure about how many miles? A) 100 miles. B) 60, 000 miles. C) 1, 000 miles. D) 5 miles. Show Answer Correct Answer: B) 60, 000 miles. 8. The letter T refer to Time in FAST acronym A) False. B) True. Show Answer Correct Answer: B) True. 9. Oxygen-poor blood arrives to the heart from the the body via the ..... A) Aorta. B) Pulmonary arteries. C) Superior and inferior vena cava. D) Pulmonary veins. Show Answer Correct Answer: C) Superior and inferior vena cava. 10. What type of muscle is the heart composed of? A) Skeletal. B) Smooth. C) Cardiac. D) Biceps. Show Answer Correct Answer: C) Cardiac. 11. The circulatory system transports these to and from cells. A) Waste, Nutrients, Oxygen, Carbon Dioxide. B) Nutrients, Digestive Enzymes, Carbon Dioxide, Oxygen. C) Blood, Oxygen, Collagen, Nutrients. D) None of above. Show Answer Correct Answer: A) Waste, Nutrients, Oxygen, Carbon Dioxide. 12. The contraction phase of cardiac cycle is A) Folem. B) Xylem. C) Systole. D) Diastole. Show Answer Correct Answer: C) Systole. 13. Moving your muscles makes them become ..... ? A) Stronger. B) Weaker. Show Answer Correct Answer: A) Stronger. 14. Has valves along the blood vessels so that blood flows in one direction A) Venous Vessels (Back) [6]. B) Arteries (pulses) [6]. Show Answer Correct Answer: A) Venous Vessels (Back) [6]. 15. One of the most important functions of the skin is to A) Help the body move. B) Carry food to body cells. C) Let food into the body. D) Protect the body. Show Answer Correct Answer: D) Protect the body. 16. Which part of the heart pumps deoxygenated blood? A) Right side. B) Bottom side. C) Top side. D) Left side. Show Answer Correct Answer: A) Right side. 17. Myocardial infarction is a/an? A) Narrow blood vessel. B) Blood clot. C) Heart attack. D) Incomplete valve closure. Show Answer Correct Answer: C) Heart attack. 18. The first pump carries A) Oxygenated blood from lungs to heart. B) Deoxygenated blood from heart to lungs. C) Deoxygenated blood from lungs to heart. D) None of above. Show Answer Correct Answer: B) Deoxygenated blood from heart to lungs. 19. What pumps oxygen rich blood to the rest of the body? A) Left ventricle. B) Right ventricle. C) Right atrium. D) Left atrium. Show Answer Correct Answer: A) Left ventricle. 20. Which circulation carries blood to the body and back to the heart? A) Systemic circulation. B) Lymphatic circulation. C) Pulmonary circulation. D) Coronary circulation. Show Answer Correct Answer: A) Systemic circulation. 21. Blood & lymph, carries food, waste products and hormones through the body A) Epithelial Tissue. B) Connective tissue. C) Liquid tissue. D) Nerve tissue. Show Answer Correct Answer: C) Liquid tissue. 22. Which is TRUE about blood that passes through systemic veins? A) The blood will go to the cells. B) The blood is deoxygenated. C) The blood will go to the arteries. D) The blood is oxygenated. Show Answer Correct Answer: B) The blood is deoxygenated. 23. 14b. CIRCLE which go with respiratory A) Diaphragm, trachea, alveoli, nose, lungs. B) Heart, Blood Vessels, Artery, Vein, White blood cell, capillary, red blood cell. Show Answer Correct Answer: A) Diaphragm, trachea, alveoli, nose, lungs. 24. The AV node is located between which two parts of the heart? A) Atria, ventricle. B) Left ventricle, left ventricle. C) Epicardium, pericardium. D) Right atria, left atria. Show Answer Correct Answer: A) Atria, ventricle. 25. Which blood vessels take blood TO the heart? A) Veins. B) Arteries. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Veins. 26. The color of plasma A) Green. B) Straw-yellow. C) Red. D) Blue. Show Answer Correct Answer: B) Straw-yellow. 27. The heart is actually made of ..... separate pumps. A) 3. B) 5. C) 4. D) 2. Show Answer Correct Answer: D) 2. 28. Caused by the narrowing of the arteries, resulting in the increase resistance to the flow of blood A) Hemophilia. B) Hypertension. C) Atherosclerosis. D) Hypercholesterolemia. Show Answer Correct Answer: B) Hypertension. 29. Blood returning from the lungs will enter through what structure? A) Right ventricle. B) Right atrium. C) Left ventricle. D) Left atrium. Show Answer Correct Answer: D) Left atrium. 30. What happens after old blood, after traveling through body, moves into the heart? A) Old blood travels to lungs for more oxygen. B) Old blood is sent to kidneys, then removed from body. C) Old blood is re-circulated through body. D) Old blood is removed from body through digestion. Show Answer Correct Answer: A) Old blood travels to lungs for more oxygen. 31. Thin walled blood vessels..... A) Arteries Arteries. B) Veins. C) Both. D) Capillaries. Show Answer Correct Answer: B) Veins. 32. Intravascular-Water in the blood contains ..... % of water A) 70%. B) 5%. C) 25%. D) None of above. Show Answer Correct Answer: B) 5%. 33. Blood returning to the heart from the feet, legs, and abdomen enters the heart through the * A) Inferior vena cava. B) Pulmonary artery. C) Pulmonary vein. D) Superior vena cava. Show Answer Correct Answer: A) Inferior vena cava. 34. When your get scared, your nervous system goes into A) Walk and talk mode. B) Fight or flight mode. C) Sit and lounge mode. D) Chill mode. Show Answer Correct Answer: B) Fight or flight mode. 35. Plasma contains inorganic salts like ..... & ..... A) Sodium chloride and Sodium bicarbonate. B) Calcium sulphate and Sodium bicarbonate. C) Calcium chloride and Sodium chloride. D) None of these. Show Answer Correct Answer: A) Sodium chloride and Sodium bicarbonate. 36. Which valve is found between the left ventricle and the aorta? A) Aortic Valve. B) Tricuspid Valve. C) Mitral Valve. D) Pulmonary Valve. Show Answer Correct Answer: A) Aortic Valve. 37. Antigens stimulates the body to produce- A) Blood. B) Antibodies. C) Viruses. D) Bacteria. Show Answer Correct Answer: B) Antibodies. 38. The circulatory system is a type of A) Organ. B) Organ System. Show Answer Correct Answer: B) Organ System. 39. Where does blood go after the right atrium? A) Left ventricle. B) Right ventricle. C) Aorta. D) Left atrium. Show Answer Correct Answer: B) Right ventricle. 40. Which of the following are the smallest blood vessels in the circulatory system? A) Capillaries. B) Venules. C) Lymph vessels. D) Veins. Show Answer Correct Answer: A) Capillaries. 41. Thin, elastic walls (may have multiple answers) A) Arteries. B) Capillaries. C) Mucus. D) Veins. Show Answer Correct Answer: D) Veins. 42. One way to remember how fast to do compression would be to play ..... A) Stayin alive. B) A good love song. C) Don't sing he is dead. D) Solitaire. Show Answer Correct Answer: A) Stayin alive. 43. The system of blood vessels that carries deoxygenated blood to the lungs and oxygenated blood back to the heart is called the A) Pulmonary circuit. B) Systemic circuit. Show Answer Correct Answer: A) Pulmonary circuit. 44. Which of the following did Galen believe about the circulatory system? A) It was a circular system that continuously flowed. B) It was two separate one-way systems of distribution. C) The brain was the main organ of the circulatory system. D) It was two separate one-way systems and the brain was the main organ. Show Answer Correct Answer: B) It was two separate one-way systems of distribution. 45. If a blood clot prevents blood from reaching the brain, we call this a ..... A) Hernia. B) Stroke. C) Tumor. D) Heart attack. Show Answer Correct Answer: B) Stroke. 46. What is a normal heart rate in adults? A) 100 bpm. B) < 50 bpm. C) 4-6 bpm. D) 70 bpm. Show Answer Correct Answer: D) 70 bpm. 47. What prevents backflow of blood inside the heart during contraction? A) Valves in heart. B) Thick muscular walls of ventricles. C) Thick walls of atria. D) All of these. Show Answer Correct Answer: A) Valves in heart. 48. It is known as the largest artery in the body. A) Superior vena cava. B) Inferior vena cava. C) Aorta. D) Both a and b. Show Answer Correct Answer: C) Aorta. 49. Blood is described as a liquid tissue that performs which of the following functions? A) Transports nutrients to cells and waste from the cells. B) Generates electrical impulses for the nervous system. C) Produces hormones for bodily functions. D) Regulates body temperature. Show Answer Correct Answer: A) Transports nutrients to cells and waste from the cells. 50. What is NOT a key part of the circulatory system? A) Blood. B) Brain. C) Heart. D) Blood vessels. Show Answer Correct Answer: B) Brain. 51. Which structure will be found in the nucleus of a body cell in a woman? A) A X allele. B) B X chromosome. C) C And allele. D) D Y chromosome. Show Answer Correct Answer: B) B X chromosome. 52. White blood cells are responsible for ..... A) Transporting Oxygen. B) Blood sugar levels. C) Clotting. D) Protecting against infections. Show Answer Correct Answer: D) Protecting against infections. 53. What is the function of the double circulatory system? A) To pump blood to the lungs only. B) To pump blood to the whole body. C) To pump blood to the brain only. D) To pump blood to the heart only. Show Answer Correct Answer: B) To pump blood to the whole body. 54. What is an arrhythmia? A) Ventricular contraction. B) Capillary dysfunction. C) Atrial contraction. D) An abnormal heart rhythm. Show Answer Correct Answer: D) An abnormal heart rhythm. 55. Which part of the intrinsic conduction system connects the atria to the ventricles, and when damaged can cause various degrees of heart block? A) Bundles of His. B) Atrioventricular (AV) node. C) Sinoatrial (SA) node. D) Purkinje fibers. Show Answer Correct Answer: B) Atrioventricular (AV) node. 56. What is a producers job in the ecosystem? A) To make food and oxygen for the animals. B) To help plants grow. C) To break down dead plants and animals. D) To eat plants and other animals. Show Answer Correct Answer: A) To make food and oxygen for the animals. 57. The function of the heart and blood vessels that supplies oxygen and nutrients to the entire body is known as: A) Cardiopulmonary circulation. B) Systemic circulation. Show Answer Correct Answer: B) Systemic circulation. 58. The large vein that returns blood from the head and upper body to the heart is called A) Inferior vena cava. B) Coronary arteries. C) Aorta. D) Superior vena cava. Show Answer Correct Answer: D) Superior vena cava. 59. Which of the following is NOT a major factor affecting blood flow? A) Exercise. B) Plaque. C) Viscosity. D) Heart size. Show Answer Correct Answer: D) Heart size. 60. The upper chambers of the heart are the? A) Endocardium. B) Atria. C) Ventricles. D) Hemoglobin. Show Answer Correct Answer: B) Atria. ← 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