This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System โ Quiz 56 ๐ Homepage ๐ Download PDF Books ๐ Premium PDF Books Circulatory System Quiz 56 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. IDENTIFY PART G A) PULMONARY VEINS. B) RIGHT ATRIUM. C) BICUSPID VALVE. D) RIGHT ATRIUM. E) TRICUSPID VALVE. Show Answer Correct Answer: B) RIGHT ATRIUM. 2. An involuntary muscle that beats all the time, even when you are asleep is the ..... A) Heart. B) Lung. C) Esophagus. D) Diaphragm. Show Answer Correct Answer: A) Heart. 3. 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. 4. 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. 5. This is often termed the natural pacemaker of the heart. A) Atrioventricular Node (AV). B) Sinoatrial Node (SA). C) Bundle of His. D) Purkinje Fibers. Show Answer Correct Answer: B) Sinoatrial Node (SA). 6. 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) RESPOND. B) CIRCU. Show Answer Correct Answer: B) CIRCU. 7. Is the blood in this structure oxygenated or deoxygenated? Left atrium A) Oxygenated. B) Deoxygenated. Show Answer Correct Answer: A) Oxygenated. 8. Heart is located in..... A) Abdomen. B) Between lungs. C) Chest cavity เฐเฐพเฐคเฑ เฐเฑเฐนเฐฐเฐ. D) Both 1&2. E) Both 2&3. Show Answer Correct Answer: E) Both 2&3. 9. 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. 10. The right side of the heart pumps the blood to the A) Heart. B) Lungs. C) Brain. D) Body. Show Answer Correct Answer: B) Lungs. 11. What is the primary function of red blood cells in the circulatory system? A) Transport oxygen. B) Fight infections. C) Clotting. D) Produce antibodies. Show Answer Correct Answer: A) Transport oxygen. 12. 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. 13. 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. 14. 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. 15. The average adult has 4 to 6 liters of blood. (T or F) A) True. B) False. Show Answer Correct Answer: A) True. 16. 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. 17. In a blood pressure reading of 120/85, the number 120 refers to A) High blood pressure. B) The diastolic pressure. C) Hypertension. D) The systolic pressure. Show Answer Correct Answer: D) The systolic pressure. 18. 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. 19. What chamber of the heart receives blood from the lungs? A) Right atrium. B) Left atrium. C) Left ventricle. D) Right ventricle. Show Answer Correct Answer: B) Left atrium. 20. 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. โ PreviousNext โRelated QuizzesScience QuizzesCirculatory System Quiz 1Circulatory System Quiz 2Circulatory System Quiz 3Circulatory System Quiz 4Circulatory System Quiz 5Circulatory System Quiz 6Circulatory System Quiz 7Circulatory System Quiz 8Circulatory System Quiz 9 ๐ Back to Homepage ๐ Download PDF Books ๐ Premium PDF Books