This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 18 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The respiratory system is made up of organs of the upper respiratory track, the lungs and ..... ? A) Esophagus. B) Diaphragm. C) Liver. D) Pancreas. Show Answer Correct Answer: B) Diaphragm. 2. Pay attention to the following statements! 1. Heading towards the heart. Brings more CO23. Out of the heart, 4. Elastic5. The pulse is felt6. Appearance from the outside The characteristics of arteries are indicated by numbers..... A) 1, 2, 3. B) 3, 4, 5. C) 1, 2, 4. D) 2, 3, 4. E) 4, 5, 6. Show Answer Correct Answer: B) 3, 4, 5. 3. Capillaries are the largest vessels. A) True. B) False. Show Answer Correct Answer: B) False. 4. Through which two veins does the blood enter the right atrium of the heart? A) Jugular vein. B) Aorta. C) Superior and Inferior Vena Cava. D) Pulmonary artery. Show Answer Correct Answer: C) Superior and Inferior Vena Cava. 5. True or False:The circulatory system can function just fine without the lungs. A) False. B) True. Show Answer Correct Answer: A) False. 6. It carries nutrients, oxygen throughout the body and it regulates body temperature A) Veins. B) Air. C) Blood. D) Water. Show Answer Correct Answer: C) Blood. 7. Are imaging techniques used to diagnose tumors, blood vessel malformations, or brain hemorrhages. A) Microcamara. B) Brain ultrasounds. Show Answer Correct Answer: B) Brain ultrasounds. 8. What does the hematocrit measure? A) The percent of red blood cells in your body. B) The percent of white blood cells in your body. C) The percent of platelets in your body. D) The percent of plasma in your your body. Show Answer Correct Answer: A) The percent of red blood cells in your body. 9. The aorta is the largest artery in the body. The blood traveling in the aorta is full of? A) Oxygen. B) Carbon dioxide. C) White blood cells. D) None of above. Show Answer Correct Answer: A) Oxygen. 10. The part of the blood that helps you stop bleeding when cut yourself is called A) Plasma. B) Platelets. C) Red blood cells. D) White blood cells. Show Answer Correct Answer: B) Platelets. 11. The type of blood vessel that normally carries oxygenated blood from the heart to the body cells? A) Arteries. B) No correct answer. C) Veins. D) Capillaries. Show Answer Correct Answer: A) Arteries. 12. ..... are thick walled vessels designed to withstand high pressure. A) Venules. B) Capillaries. C) Arteries. D) Veins. Show Answer Correct Answer: C) Arteries. 13. Double layered membrane, or sac, that covers the outside of the heart A) Pericardium. B) Myocardium. C) Endocardium. D) Septum. Show Answer Correct Answer: A) Pericardium. 14. Where does the initial spark begin in the electrical conduction pathway? A) Because of the difference. B) Bundle of His. C) AV Node. D) Purkinje Fibers. Show Answer Correct Answer: A) Because of the difference. 15. Before arterial blood reaches the capillary bed, it branches into a smaller vessel known as: A) Venule. B) Arteries. C) Arteriole. D) Veins. Show Answer Correct Answer: C) Arteriole. 16. From the right atrium where does the blood go to next? A) Pulmonary artery. B) Left Ventricle. C) Right Ventricle. D) Lungs. Show Answer Correct Answer: C) Right Ventricle. 17. How can you keep your heart healthy? A) Exercise regularly. B) Eat healthy food. C) Go to the Doctor for your yearly appointments. D) All of the above. Show Answer Correct Answer: D) All of the above. 18. What is also known as the blockage of blood flow to the heart? A) Heart Attack. B) Anemia. C) Leukemia. D) Hypertension. Show Answer Correct Answer: A) Heart Attack. 19. The lower chambers of the heart are the A) Cardioseptum. B) Ventricles. C) Endocardium. D) Atria. Show Answer Correct Answer: B) Ventricles. 20. Heart has four chambers the two superior are called what A) Top chamber. B) Atria. C) Ventricles. D) None of above. Show Answer Correct Answer: B) Atria. 21. The surgical procedure that goes around blockages in coronary arteries is ..... surgery A) Hypertension cardio. B) Bypass. C) Cardiomyopathy. D) Atrial septal defect. Show Answer Correct Answer: B) Bypass. 22. Where is the heart located in the body? A) Center of your chest, slightly to the right. B) In the abdomen. C) Between the kidneys. D) Center of your chest, slightly to the left. Show Answer Correct Answer: D) Center of your chest, slightly to the left. 23. Which is the largest blood vessel in the circulatory system? A) Muscles. B) Vein. C) Capillaries. D) Artery. Show Answer Correct Answer: D) Artery. 24. Blood group AB is A) Universal Donor. B) Universal Recipient. C) Donor. D) None of the above. Show Answer Correct Answer: B) Universal Recipient. 25. One lung is bigger than the other lung. A) False. B) True. Show Answer Correct Answer: B) True. 26. Which of these structures prevent blood from flowing backward? A) Valve. B) Septum. C) Coronary Artery. D) Aorta. Show Answer Correct Answer: A) Valve. 27. Which blood vessel carries deoxygenated blood from the upper body to the heart? A) Pulmonary Artery. B) Aorta. C) Superior Vena Cava. D) Inferior Vena Cava. Show Answer Correct Answer: C) Superior Vena Cava. 28. It is a neurological condition involving the brain that makes people more susceptible to having recurrent crisis. It is one of the most common disorders of the nervous system and affects people of all ages, races, and ethnic background (Neurological) A) Dull pain. B) Epilepsy and Seizures. C) Myasthenia. D) None of above. Show Answer Correct Answer: B) Epilepsy and Seizures. 29. A group of medications known to thin the blood to prevent clotting are called A) Anticoagulants. B) Thrombolytics. C) Vasodilators. D) Antiarrhythmics. Show Answer Correct Answer: A) Anticoagulants. 30. A healthy adult has a heart rate of ..... beats per minute. * A) 40-60. B) 60-80. C) 80-100. D) 40-80. Show Answer Correct Answer: B) 60-80. 31. Which blood vessel brings oxygenated blood from the lungs back to the heart? A) Pulmonary artery. B) Aorta. C) Lungs. D) Pulmonary vein. Show Answer Correct Answer: D) Pulmonary vein. 32. Those very fine tubes into which an artery branches. A) Tubules. B) Veins. C) Capillaries. D) Artery. Show Answer Correct Answer: C) Capillaries. 33. Positive blood types can donate to what types of blood? A) Negative, only. B) Positive, only. C) Both negative and positive. D) Neither negative nor positive. Show Answer Correct Answer: B) Positive, only. 34. Which of the following circulatory patterns does a fish have? Choose ALL that apply. A) A two chambered heart. B) A three chambered heart. C) A four chambered heart. D) Pulmonary and systemic circuits. Show Answer Correct Answer: A) A two chambered heart. 35. Match each section of the respiratory system to its characteristics or definition Lungs A) Flap of skin to cover when you swallow. B) Air moves down the Trachea. C) This is where the trachea dives into 2). D) Are filled with small alveoli and oxygen and carbon dioxide swap places. This area is like a sponge. Show Answer Correct Answer: D) Are filled with small alveoli and oxygen and carbon dioxide swap places. This area is like a sponge. 36. An involuntary muscle that beats all the time, even when you are asleep is the ..... A) Esophagus. B) Diaphragm. C) Lung. D) Heart. Show Answer Correct Answer: D) Heart. 37. What does the digestive system have to do with the circulatory system and the endocrine system? A) Both the endocrine system and the digestive system uses the circulatory system to give the other nutrients and chemicals. B) Chemical signals from the endocrine system use the circulatory system to control speed of digestion. Show Answer Correct Answer: A) Both the endocrine system and the digestive system uses the circulatory system to give the other nutrients and chemicals. 38. The heart is in the middle A) Of the chest. B) Of your stomach. C) Of your abdomen. D) None of above. Show Answer Correct Answer: A) Of the chest. 39. This is often termed the natural pacemaker of the heart. A) Sinoatrial Node (SA). B) Purkinje Fibers. C) Bundle of His. D) Atrioventricular Node (AV). Show Answer Correct Answer: A) Sinoatrial Node (SA). 40. RESPI or CICRU. Read analyze the following statement/situation and determine whether it describes the Respiratory System or Circulatory System. Question:This system circulates oxygen and removes carbon dioxide. A) CIRCU. B) RESPOND. Show Answer Correct Answer: A) CIRCU. 41. Is the blood in this structure oxygenated or deoxygenated? Left atrium A) Oxygenated. B) Deoxygenated. Show Answer Correct Answer: A) Oxygenated. 42. Which of the following is a waste product carried in the blood from the cells? A) Nutrients. B) Oxygen. C) Carbon dioxide. D) Both nutrients and oxygen. Show Answer Correct Answer: C) Carbon dioxide. 43. The right side of the heart pumps the blood to the A) Lungs. B) Body. C) Heart. D) Brain. Show Answer Correct Answer: A) Lungs. 44. What is the primary function of red blood cells in the circulatory system? A) Fight infections. B) Produce antibodies. C) Transport oxygen. D) Clotting. Show Answer Correct Answer: C) Transport oxygen. 45. The two layers of the pericardium are: A) Fibrous pericardium and Serous pericardium. B) Parietal pericardium and Visceral pericardium. C) Pulmonary pericardium and Systemic pericardium. D) Myocardium and Epicardium. Show Answer Correct Answer: A) Fibrous pericardium and Serous pericardium. 46. The nurse cares for a client with a dysrhythmia and understands that the P wave on an electrocardiogram (ECG) represents which phase of the cardiac cycle? A) Atrial depolarization. B) Early ventricular repolarization. C) Ventricular depolarization. D) Ventricular repolarization. Show Answer Correct Answer: A) Atrial depolarization. 47. What is the circulatory system responsible for? A) Digestion. B) Carrying nutrients, oxygen, carbon dioxide and waste products. C) Absorption. D) Breathing. Show Answer Correct Answer: B) Carrying nutrients, oxygen, carbon dioxide and waste products. 48. The average adult has 4 to 6 liters of blood. (T or F) A) False. B) True. Show Answer Correct Answer: B) True. 49. Which of these statements does not describe the trachea? A) It carries air to and from the lungs. B) Its lower end branches into its smaller tube. C) It is also known as windpipe. D) It is also known as voicebox. Show Answer Correct Answer: D) It is also known as voicebox. 50. In a blood pressure reading of 120/85, the number 120 refers to A) The systolic pressure. B) The diastolic pressure. C) Hypertension. D) High blood pressure. Show Answer Correct Answer: A) The systolic pressure. 51. The circulatory system distributes nutrients and oxygen to the body. It helps get rid of waste substances A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 52. What chamber of the heart receives blood from the lungs? A) Left atrium. B) Right ventricle. C) Right atrium. D) Left ventricle. Show Answer Correct Answer: A) Left atrium. 53. Which type of blood flows through the right side of the heart to the lungs? A) Oxygenated Blood. B) Deoxygenated Blood. Show Answer Correct Answer: B) Deoxygenated Blood. 54. True or false:Arteries most often carry blood away from the heart. A) True. B) False. Show Answer Correct Answer: A) True. 55. Ventricles pump blood ..... the heart A) Out of. B) Into. C) Neither. D) None of above. Show Answer Correct Answer: A) Out of. 56. ..... is a cancer of the white blood cells. A) Leukemia. B) Lymphoma. C) Angioma. D) Sarcoma. Show Answer Correct Answer: A) Leukemia. 57. The ..... and ..... are large blood vessels. A) Artery and Vein. B) Blood and Vessels. C) Capillaries and Atrium. D) Eyes and Ears. Show Answer Correct Answer: A) Artery and Vein. 58. When you excercise, your pulse rate usually ..... A) Increases. B) Decreases. C) Stays the same. D) None of above. Show Answer Correct Answer: A) Increases. 59. What part of the heart divides the heart into two? A) Bicep. B) Bicuspid valve. C) Pulmonary artery. D) Septum. Show Answer Correct Answer: D) Septum. 60. A component of blood that carries oxygen from the lungs. A) Platelet. B) WBC. C) Plasma. D) RBC. Show Answer Correct Answer: D) RBC. ← 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