This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 651 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 651 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which cellular component of the blood helps blood to clot? A) Leukocytes. B) Thrombocytes. C) Erythrocytes. D) None of above. Show Answer Correct Answer: B) Thrombocytes. 2. In ABO Blood group system, Blood groups are divided into ..... ? A) Two. B) Three. C) Four. D) Five. Show Answer Correct Answer: C) Four. 3. The following are the characteristics of a patient in a hospital:1) too many red blood cells2) the blood becomes thicker3) the circulation system is disturbed4) the workload of the heart increasesBased on these characteristics, it can be detected that the patient has an abnormality..... A) Leukemia. B) Polysthemic. C) Leukopenia. D) Thalassemia. E) Sclerosis. Show Answer Correct Answer: B) Polysthemic. 4. The flow of blood through the heart to the lungs is called ..... A) Systemic circulation. B) Coronary circulation. C) Pulmonary circulation. D) None of above. Show Answer Correct Answer: C) Pulmonary circulation. 5. The heart needs to create enough ..... to get the blood flowing to through the body and come back A) Pressure. B) Output. C) Pulse. D) Concentration. Show Answer Correct Answer: A) Pressure. 6. What keeps blood from flowing backward? A) Arteries. B) Veins. C) Capillaries. D) Valves. Show Answer Correct Answer: D) Valves. 7. If Ab blood donates to A blood then: A) Its a safe transfusion. B) Type A blood would clot/attack. C) Anti b clumping chemical would be made. D) Both b and c would happen. Show Answer Correct Answer: D) Both b and c would happen. 8. Refers to the river of life A) Plasma. B) Water. C) Blood. D) All of the above. Show Answer Correct Answer: C) Blood. 9. If a patient comes to the ER with complaints of chest pain, and diagnostic test show no heart damage. The patient will be treated for: A) Heart failure. B) Arrhythmias. C) Angina pectoris. D) Coronary artery disease. Show Answer Correct Answer: C) Angina pectoris. 10. Specialized tissue in the heart that transmits electrical impulses and assists in keeping contractions synchronized. A) Sinoatrial Node (SA). B) Bundle of His. C) Atrioventricular Node (AV). D) Purkinje Fibers. Show Answer Correct Answer: B) Bundle of His. 11. The heart is a strong muscle that pumps blood around the body. A) True. B) False. Show Answer Correct Answer: A) True. 12. Are the blood vessel that carry blood away from the heart to the body cells? A) Pericardium. B) Aorta. C) Venules. D) Arteries. Show Answer Correct Answer: D) Arteries. 13. Which of the following make holes in bread as it rises? A) Yeast. B) Milk. C) Salt. D) Flour. Show Answer Correct Answer: A) Yeast. 14. Which of the following is called the pacemaker of the heart? A) Bundle of His. B) Sinoatrial node. C) Purkinje fibers. D) Atrioventricular node. Show Answer Correct Answer: B) Sinoatrial node. 15. Which pair of systems is responsible for the flow of blood in the human body? A) Circulatory and skeletal systems. B) Skeletal and excretory systems. C) Muscular and circulatory systems. D) Respiratory and muscular systems. Show Answer Correct Answer: C) Muscular and circulatory systems. 16. It is considered as the river of life. A) Blood. B) Lungs. C) Veins. D) Heart. Show Answer Correct Answer: A) Blood. 17. Identify the adverbs:Sherlock Holmes slowly approached the mildly suspicious man. A) Slowly, mildly. B) Approached, suspicious. C) Sherlock, man. D) Slowly, approached. Show Answer Correct Answer: A) Slowly, mildly. 18. Which body system helps protect the body from disease? A) Circulatory System. B) Nervous System. C) Respiratory System. D) Muscular System. Show Answer Correct Answer: A) Circulatory System. 19. What is another word for Red Blood Cell? A) Erythrocyte. B) Leukocyte. C) Platelet. D) Monocyte. Show Answer Correct Answer: A) Erythrocyte. 20. The circulatory system revolves around which organ? A) Heart. B) Lungs. C) Veins. D) Intestines. Show Answer Correct Answer: A) Heart. ← 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