This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 534 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 534 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which blood type has A and B antigens? A) Blood Type O. B) Blood Type A. C) Blood Type B. D) Blood Type AB. Show Answer Correct Answer: D) Blood Type AB. 2. Which of the following explains the physiological significance of the Bohr effect in mammalian muscle? A) Myoglobin releases oxygen more rapidly to respiring cells. B) Higher carbon dioxide partial pressures favour unloading of oxygen from haemoglobin. C) Myoglobin becomes fully saturated at lower oxygen partial pressures. D) Haemoglobin becomes fully saturated at lower oxygen partial pressures. Show Answer Correct Answer: B) Higher carbon dioxide partial pressures favour unloading of oxygen from haemoglobin. 3. What condition describes the thickening of the arterial wall due to the decomposition of plaques of fatty material and inflammatory cells? A) High blood pressure. B) Myocardial infarction. C) Atherosclerosis. D) Angioplasty. E) Hypertension. Show Answer Correct Answer: C) Atherosclerosis. 4. The blood component that plays an important role in transporting oxygen is..... A) Hemoglobin. B) Globin. C) Prothrombin. D) Tromboplastin. Show Answer Correct Answer: A) Hemoglobin. 5. These are the smallest blood vessels in charge of carrying oxygen and nutrients to the body, and carbon dioxide to the lungs. A) Veins. B) Arteries. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 6. The pulmonary vein carries ..... blood. A) Oxygenated. B) Deoxygenated. Show Answer Correct Answer: A) Oxygenated. 7. Veins generally contain a lot of CO2, but there is one that contains a lot of O2. The veins in the human body that contain a lot of O2 are..... A) Vena. B) Venules. C) Pulmonary vein. D) I say woman. Show Answer Correct Answer: C) Pulmonary vein. 8. A woman who just got done running a mile decides to track her heart rate. She presses on her radial artery and sets a 6 second timer. She counts her beats for 6 seconds. The timer goes off and she counted to 12. What is her heart rate in beats per minute? A) 12. B) 100. C) 60. D) 120. Show Answer Correct Answer: D) 120. 9. In humans and animals, a state of balance or equilibrium caused by many body systems working together. A) Homeostasis. B) Circulation. C) Heart. D) Vein. Show Answer Correct Answer: A) Homeostasis. 10. The three basic types of the cells are erythrocytes, leucocytes, and the thrombocytes. A) TRUE. B) FALSE . Show Answer Correct Answer: A) TRUE. 11. The instrument used to measure heartbeat is A) Sphygmomanometer. B) Thermometer. C) Stethoscope. D) Glucometer. Show Answer Correct Answer: C) Stethoscope. 12. Which of the following is not a primary function of blood? A) Help fight disease. B) Transports nutrients, oxygen, wastes, and hormones. C) To provide structure. D) Distributes heat. Show Answer Correct Answer: C) To provide structure. 13. Which of the following is a universal donor? A) A. B) AB. C) B. D) O. Show Answer Correct Answer: D) O. 14. During internal and external respiration, gases move by: A) Active transport. B) Diffusion. C) Osmosis. D) None of above. Show Answer Correct Answer: B) Diffusion. 15. Plasma is composed of A) Glucose. B) Nutrients. C) Proteins. D) All are correct. Show Answer Correct Answer: D) All are correct. 16. A major function of the lymphatic system is to: A) Serve as master controller of body functions. B) Produce hormones. C) Circulate nutrients throuhout the body. D) Fight infection. Show Answer Correct Answer: D) Fight infection. 17. What is the name of the passageways in the Blood vessels? A) Internal Lumin. B) Capillaries. C) Veins. D) Arteriole. Show Answer Correct Answer: A) Internal Lumin. 18. Artery that supplies blood to the foot- A) Hepatic artery. B) Tibial artery. C) Renal artery. D) Dorsalis pedis artery. Show Answer Correct Answer: D) Dorsalis pedis artery. 19. Who needs to take food rich in fibre and less in calories A) Elderly people. B) Children. C) Athletes. D) Labourers. Show Answer Correct Answer: A) Elderly people. 20. Where does the mixing of oxygenated and deoxygenated blood occur? A) Atrium. B) Ventricle. C) Lung. D) Systemic capillaries. Show Answer Correct Answer: B) Ventricle. ← 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