This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 183 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 183 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When blood leaves the right ventricle where is it going next? A) Lungs. B) Bones. C) Body cells. D) Brain. Show Answer Correct Answer: A) Lungs. 2. Plants with large leaves will transpire faster than plants with smaller leaves. Which of the following explains why? A) Plants with large leaves have more stomata in their lower surface. B) Plant with large leaves carry more water. C) Plants with large leaves blow readily in the wind. D) Plants with large leaves have more stomata per unit area. Show Answer Correct Answer: D) Plants with large leaves have more stomata per unit area. 3. The normal blood pressure for adults. A) 50-90 mm(systolic), 100-150 mm(diastolic). B) 10-60 mm(systolic), 200-250 mm(diastolic). C) 100-140 mm(systolic), 60-80 mm(diastolic). D) None of above. Show Answer Correct Answer: C) 100-140 mm(systolic), 60-80 mm(diastolic). 4. The circulatory system is the one responsible for carrying ONLY the nutrients throughout the body. A) True. B) False. Show Answer Correct Answer: B) False. 5. It's a ARTERY in the leg A) Vena cava. B) Carotid artery. C) Jugular vein. D) Femoral artery. E) Femoral vein. Show Answer Correct Answer: D) Femoral artery. 6. The ..... returns blood from the lower body. A) Superior vena cava. B) Aorta. C) Vena cava. D) Inferior vena cava. Show Answer Correct Answer: D) Inferior vena cava. 7. Platelets are small round plates that carry nutrients around the body. A) False. B) True. Show Answer Correct Answer: A) False. 8. This system is more efficient; it distributes blood faster to a greater number of cells. A) Vascular system. B) Closed transport system. C) Vessels system. D) Open transport system. Show Answer Correct Answer: B) Closed transport system. 9. The cardiac conduction system spontaneously starts in which area that is considered the "pacemaker" of the heart? A) AV node. B) Purkinje fibers. C) Because of the difference. D) Bundle of His. Show Answer Correct Answer: C) Because of the difference. 10. The average heart rate is approximately A) 60-65 beats per minute. B) Over a hundred beats per minute. C) 70-75 beats per minute. D) 50-60 beats per minute. Show Answer Correct Answer: C) 70-75 beats per minute. 11. What is the correct path blood would take returning from the lungs? A) Superior vena cava, right atrium, right ventricle, pulmonary artery. B) Pulmonary artery, left atrium, left ventricle, pulmonary vein. C) Pulmonary vein, left atrium, left ventricle, aorta. D) Left atrium, left ventricle, pulmonary vein, aorta. Show Answer Correct Answer: C) Pulmonary vein, left atrium, left ventricle, aorta. 12. The smallest blood vessels in the body are called A) Capillaries. B) Arteries. C) Veins. D) Arterioles. Show Answer Correct Answer: A) Capillaries. 13. ..... are tiny blood cells that help your body form clots to stop bleeding. A) Erythrocytes. B) Thrombocytes. C) Lymphocytes. D) Leukocytes. Show Answer Correct Answer: B) Thrombocytes. 14. Arteries have ..... walls to sustain the sudden bursts of blood from the heart. A) Thick. B) Thin. C) Small. D) None of above. Show Answer Correct Answer: A) Thick. 15. When an athlete runs, why does their heart beat faster? A) There is an increase in demand of oxygen in the body. B) There is a decrease in demand of oxygen in the body. C) The heart needs to beat faster to decrease the amount of oxygen in the body. D) The heart needs to beat faster to increase the amount of carbon dioxide in the body. Show Answer Correct Answer: A) There is an increase in demand of oxygen in the body. 16. Which section of the heart is oxygenated? A) Left. B) Right. C) Atria. D) Ventricles. Show Answer Correct Answer: A) Left. 17. Red blood cells clumping together in the presence of an antibody is called A) Respiration. B) Anemia. C) Agglutination. D) Circulation. Show Answer Correct Answer: C) Agglutination. 18. Which of the following parts is responsible for gas exchange? A) Nasal cavity. B) Bronchioles. C) Alveoli. D) Larynx. Show Answer Correct Answer: A) Nasal cavity. 19. Where are the atria located in the heart? A) On the bottom. B) On the right side. C) On the top. D) On the left side. Show Answer Correct Answer: C) On the top. 20. When the bronchi and bronchioles are inflamed and full of mucus, this is known as: A) Bronchitis. B) Emphysema. C) Asthma. D) Pneumonia. Show Answer Correct Answer: A) Bronchitis. 21. What recycles, store blood cells, produce, and store lymphocytes? A) Appendix. B) Capillaries. C) Spleen. D) Tonsils. Show Answer Correct Answer: C) Spleen. 22. Special proteins produced by the body to attack foreign invaders. A) Antigen. B) Antibodies. Show Answer Correct Answer: B) Antibodies. 23. A muscular organ that pumps blood throughout the body A) Aorta. B) Heart. C) Arteries. D) Blood. Show Answer Correct Answer: B) Heart. 24. Which pushes blood away from the heart? A) Atriums. B) Artery. C) Veins. D) Ventricles. Show Answer Correct Answer: D) Ventricles. 25. What gas is a waste product carried by the blood? A) Water (H2O). B) Carbon Dioxide (CO2). C) Nutrients. D) Oxygen (O2). Show Answer Correct Answer: B) Carbon Dioxide (CO2). 26. Cardiac muscle is only found where? A) Lungs. B) Liver. C) Kidney's. D) Heart. Show Answer Correct Answer: D) Heart. 27. Blood that is rich in oxygen leaves the heart through the blood vessel known as the? A) Superior Vena Cava. B) Capillary. C) Vein. D) Aorta. Show Answer Correct Answer: D) Aorta. 28. What system consists of the blood, heart, and blood vessels? A) Digestive System. B) Respiratory System. C) Lymphatic System. D) Circulatory System. Show Answer Correct Answer: D) Circulatory System. 29. Which blood vessel is responsible for carrying oxygenated blood from the lungs to the heart? A) Pulmonary Artery. B) Aorta. C) Vena Cava. D) Pulmonary Vein. Show Answer Correct Answer: D) Pulmonary Vein. 30. Tissue separating the oxygenated and deoxygenated blood A) Septum. B) Atria. C) Apex. D) Ventricle. Show Answer Correct Answer: A) Septum. 31. What important job does the heart perform in the body? A) It filters waste. B) It controls body temperature. C) It digests food. D) It pumps the blood. Show Answer Correct Answer: D) It pumps the blood. 32. Which of the following makes up roughly 40-45% of blood? A) Platelets. B) White Blood Cells. C) Red Blood Cells. D) Plasma. Show Answer Correct Answer: C) Red Blood Cells. 33. A sheep heart is A) Similar to a human heart in size and function. B) Similar to a human heart in size but not function. C) Unlike a human heart in size but similar in function. D) Nothing like a human heart. Show Answer Correct Answer: A) Similar to a human heart in size and function. 34. Which term represents the amount of blood the heart pumps each minute? A) Heart rate. B) Stroke volume. C) Cardiac output. D) None of above. Show Answer Correct Answer: C) Cardiac output. 35. The preferred vein for venipuncture in the "H" pattern is the. A) Accessory cephalic. B) Median cubital. C) Basil. D) Cephalic. Show Answer Correct Answer: B) Median cubital. 36. How much does the heart weigh A) Less than a pound. B) 1 1/2 pounds. C) 1 pound. D) 2 pounds. Show Answer Correct Answer: A) Less than a pound. 37. U-Shaped muscle that helps the lungs expand A) Sternocleidomastoid. B) Diaphragm. C) Transversely of the abdomen. D) Spine erector. Show Answer Correct Answer: B) Diaphragm. 38. Function of blood capillaries..... A) To join veins and arteries. B) To diffuse out essential substances. C) To filter blood. D) All the above పైవన్నీ. Show Answer Correct Answer: D) All the above పైవన్నీ. 39. The purkinje fibers contain more glycogen than surrounding cardiomyocytes A) True. B) False. Show Answer Correct Answer: A) True. 40. The ..... leads directly from the left ventricle and branches into many arteries that carry blood around the body. A) Pulmonary veins. B) Aorta. C) Vena cava. D) Pulmonary artery. Show Answer Correct Answer: B) Aorta. 41. Which of the following is a way that humans could change/destroy an ecosystem? A) Mowing the grass. B) Watching tv. C) Building a shopping center. D) Enjoying a picnic. Show Answer Correct Answer: C) Building a shopping center. 42. Type of circulation where blood circulates in the heart. A) Pulmonary. B) Systemic. C) Lymphatic. D) Coronary. Show Answer Correct Answer: D) Coronary. 43. It is the wall that separates the right and left sides of the heart. A) Mitral valve. B) Cardiac muscle. C) Septum. D) Tricuspid valve. Show Answer Correct Answer: C) Septum. 44. I am one of the last stops in your Digestive System. I pass the water from your food onto your cells. Who am I? A) I am your Small Intestine. B) I am your Colon. C) I am your Gallbladder. D) I am your Stomach. Show Answer Correct Answer: A) I am your Small Intestine. 45. Individuals with blood group AB is known as A) Universal donors. B) Universal recipients. Show Answer Correct Answer: B) Universal recipients. 46. It helps the blood to clot. A) Thrombocytes. B) Erythrocytes. C) Plasma. D) Leucocytes. Show Answer Correct Answer: A) Thrombocytes. 47. What are the veins responsible for? A) Carrying blood to the heart. B) Carrying blood to the brain. C) Carrying blood away from the heart. D) Providing oxygen for the body. Show Answer Correct Answer: A) Carrying blood to the heart. 48. A patient went to the doctor because of extreme fatigue. Upon laboratory study, the doctor tells the patient that she has low iron. The medical term for this disorder is: A) Atherosclerosis. B) Anemia. C) Aneurysm. D) Arteriosclerosis. Show Answer Correct Answer: B) Anemia. 49. Which of these are NOT one of the 4 components of blood? A) Platelets. B) Red blood cells. C) Oxygen. D) Plasma. Show Answer Correct Answer: C) Oxygen. 50. Which type of blood is carried by pulmonary veins? A) Carbon dioxide rich blood. B) Oxygen rich blood. C) Carbon dioxide and oxygen rich blood. D) None of these. Show Answer Correct Answer: B) Oxygen rich blood. 51. Liquid portion of blood that contains mostly water and many dissolved substances A) Thrombocytes. B) Leukocytes. C) Erythrocytes. D) Plasma. Show Answer Correct Answer: D) Plasma. 52. Deoxygenated blood is present on which side of the heart? A) Left. B) Right. C) Top. D) Bottom. Show Answer Correct Answer: B) Right. 53. Which organ pumps the blood through your body? A) Heart. B) Arteries. C) Veins. D) Capillaries. Show Answer Correct Answer: A) Heart. 54. What are thrombocythes? A) Platelets. B) White blood cells. C) Heart vessels. D) Pulmonary vein. Show Answer Correct Answer: A) Platelets. 55. Which of the following organs produce the cellular components of the blood? A) Kidney. B) Heart. C) Bone Marrow. D) None of above. Show Answer Correct Answer: C) Bone Marrow. 56. These valves are guarded by tendons $\rightarrow$ chordae tendineae A) Heart wall (3). B) Heart room. C) Heart valves (3). D) Cardiac nerves (3). Show Answer Correct Answer: C) Heart valves (3). 57. Who can donate blood to type O? A) All types. B) O. C) AB. D) A. Show Answer Correct Answer: B) O. 58. What are the structural characteristics of veins? A) Narrow lumen, thick wall, no valves. B) Wide lumen, thin wall, have valves. C) Very thin walled, permeable. D) None of the above. Show Answer Correct Answer: B) Wide lumen, thin wall, have valves. 59. Damage to the medulla would most likely result in A) A coma. B) Blindness. C) Impaired planning abilities. D) Death. Show Answer Correct Answer: D) Death. 60. The amount of energy it takes to raise the temperature of 1 kg of water by 1$^\circ$C. A) Nutrient. B) Saliva. C) Calorie. D) Energy. Show Answer Correct Answer: C) Calorie. ← 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