This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 685 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 685 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. She wanted to drive to Jakarta, ..... her husband insisted on flying. A) Or. B) And. C) When. D) But. Show Answer Correct Answer: D) But. 2. How long is the lifespan of White blood cells? A) 2 weeks. B) 6 weeks. C) A year. D) 1 day. Show Answer Correct Answer: A) 2 weeks. 3. Functional unit of the cardiovascular system A) Arteries. B) Veins. C) Blood Capillaries. D) Capillary Bed. Show Answer Correct Answer: C) Blood Capillaries. 4. A type of blood vessel where exhange of gases, nutrients and other materials occurs. A) Arteries. B) Capillaries. C) Veins. D) Bronchi. Show Answer Correct Answer: B) Capillaries. 5. Which of the following initiates blood clotting? A) Thrombokinase. B) Fibrin. C) Blood Platelets. D) Thrombus. Show Answer Correct Answer: C) Blood Platelets. 6. Someone with type A+ blood has which antibodies? A) Female. B) We are good. C) Antarah. D) No antibodies. Show Answer Correct Answer: B) We are good. 7. What is the function of valves in the heart & veins? A) They prevent the back-flow of blood. B) They help the back-flow of blood. C) They help to give high blood pressure. D) They help the blood carry oxygen. Show Answer Correct Answer: A) They prevent the back-flow of blood. 8. A hereditary disease in which the blood clots slowly or abnormally. This causes prolonged bleeding with even minor cuts and bumps A) Anemia. B) Hemophilia. C) Embolism. D) Atherosclerosis. Show Answer Correct Answer: B) Hemophilia. 9. Process by which blood is transferred from one person to another- A) Diastolic pressure. B) Hypertension. C) Palpitation. D) Blood transfusion. Show Answer Correct Answer: D) Blood transfusion. 10. The heart sounds "lub" and "dup" result from ..... A) Opening of the heart valves. B) Firing of the nodes of the intrinsic conduction system. C) Blood rushing through the chambers. D) Closure of heart valves. Show Answer Correct Answer: D) Closure of heart valves. 11. Vessels that carry blood away from the heart are called ..... A) Arteries. B) Veins. C) Capillaries. D) Alveoli. Show Answer Correct Answer: A) Arteries. 12. What is the enlarged and muscular sac-like organ of the alimentary canal (gastrointestinal tract) A) Tongue. B) Pancreas. C) Stomach. D) Gallbladder. Show Answer Correct Answer: C) Stomach. 13. What kind of pressure tells you how much pressure is exerted when your heart contracts and blood flows in the arteries? A) Systolic Pressure. B) Diastolic Pressure. C) Blood Pressure. D) High Blood Pressure. Show Answer Correct Answer: A) Systolic Pressure. 14. What is meant by pulse? A) Heart beats per minute. B) The difference in blood pressure when the heart beats and when the heart is at rest. C) Vibration of blood vessels caused by blood flow. D) The difference in blood pressure between systolic and diastolic. Show Answer Correct Answer: C) Vibration of blood vessels caused by blood flow. 15. Which of these combinations lists the two circuits that blood makes through the body? A) Heart $\rightarrow$ lungs $\rightarrow$ body $\rightarrow$ lungs (repeat). B) Heart $\rightarrow$ body $\rightarrow$ heart $\rightarrow$ body $\rightarrow$ lungs (repeat). C) Body $\rightarrow$ lungs $\rightarrow$ heart > body $\rightarrow$ heart (repeat). D) Heart $\rightarrow$ lungs $\rightarrow$ heart $\rightarrow$ body (repeat). Show Answer Correct Answer: D) Heart $\rightarrow$ lungs $\rightarrow$ heart $\rightarrow$ body (repeat). 16. The force of blood on the wall of the arteries describes ..... A) Deoxygenated blood. B) Blood pressure. C) Arrhythmia. D) Coronary heart disease. Show Answer Correct Answer: B) Blood pressure. 17. During exercise, the cardiovascular system works together with the respiratory system to A) Maintain blood pressure. B) Remove carbon dioxide. C) Produce red blood cells. D) Filter out waste products. Show Answer Correct Answer: B) Remove carbon dioxide. 18. Which statement is FALSE about the plasma? A) It is the liquid part of the blood. B) It makes up 50% of the blood. C) It is made in the bone marrow. D) It helps to maintain blood pressure. Show Answer Correct Answer: C) It is made in the bone marrow. 19. Sum of all chemical reactions that a cell carries out to maintain life A) Cell metabolism. B) Cellular respiration. C) Systemic circulation. D) Atherosclerosis. Show Answer Correct Answer: A) Cell metabolism. 20. Wall separating left and right in heart A) Capillaries. B) Septum. C) Arteries. D) Veins. Show Answer Correct Answer: B) Septum. ← PreviousNext →Related 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 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books