This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 357 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 357 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Muscular pump surrounded by a double layered closed sac made of fibrous connective tissue call the pericardium A) Heart. B) Endocardium. C) Myocardium. D) Epicardium. Show Answer Correct Answer: A) Heart. 2. A traveling blood clot is called a(n) A) Embolism. B) Thrombus. Show Answer Correct Answer: A) Embolism. 3. Which of the following is not the importance of blood clotting? Choose your answers. A) Prevent excessive blood lost. B) Prevent the entry of pathogen into the blood vessels. C) Prevent the dropping of blood pressure. D) Prevent the entry of oxygen into the blood. Show Answer Correct Answer: D) Prevent the entry of oxygen into the blood. 4. How the Arteries run through a network of vessels? A) Carry deoxygenated blood back to the heart. B) Carry oxygenated blood away from heart to the body tissue. C) Carry oxygenated blood run through the body. D) None of above. Show Answer Correct Answer: B) Carry oxygenated blood away from heart to the body tissue. 5. Which sequence correctly shoes the levels of increasing organisation of the human body? A) Cell-tissue-organ-organ system-organism. B) Organism-organ system-organs-tissues-cells. C) Cells-organs-tissues-organ system-organism. D) Organism-cell-tissue-organs-organ system. Show Answer Correct Answer: A) Cell-tissue-organ-organ system-organism. 6. ..... blood goes away from the heart to other parts of the body. A) Deoxygenated (without oxygen). B) Oxygenated (with oxygen). Show Answer Correct Answer: B) Oxygenated (with oxygen). 7. The lungs ..... when the diaphragm expands. A) Stop working. B) Decrease in size. C) Contract and expel air. D) Expand and draw in air. Show Answer Correct Answer: C) Contract and expel air. 8. The job of platelets is to ..... A) Clot the blood so you stop bleeding if you cut yourself. B) Fight infection. C) Carry waste to the liver. D) Carry water to the kidneys. Show Answer Correct Answer: A) Clot the blood so you stop bleeding if you cut yourself. 9. What churns food and breaks it down further using strong acids? A) Stomach. B) Salivary glands. C) Liver. D) None of above. Show Answer Correct Answer: A) Stomach. 10. The valves ..... A) Prevent back-flow of blood. B) Allow lower pressure of blood flow in the heart. C) Prevent high pressure exerted in the vessels. D) None of above. Show Answer Correct Answer: A) Prevent back-flow of blood. 11. Contraction of the ventricles produces A) Systolic pressure. B) Diastolic pressure. C) High blood pressure. D) Low blood pressure. Show Answer Correct Answer: A) Systolic pressure. 12. What type of muscle makes up the walls of the heart chambers? A) Cardiac muscle. B) Smooth muscle. C) Skeletal muscle. D) None of above. Show Answer Correct Answer: A) Cardiac muscle. 13. Produce histamines A) Neutrophils. B) Eosinophils. C) Monocytes. D) Basophils. Show Answer Correct Answer: D) Basophils. 14. Lifetime around 12 days This includes aspects..... A) Erythrocytes (Red blood cells). B) Leukocytes (White blood cells). C) Blood plasma. D) Thrombocytes (Blood clots). Show Answer Correct Answer: B) Leukocytes (White blood cells). 15. Which of the following blood groups is known as the universal acceptor? A) A. B) B. C) AB. D) O. Show Answer Correct Answer: C) AB. 16. This valve directs blood into the pulmonary artery A) Tricuspid valve. B) Mitral (bicuspid) valve. C) Aortic valve. D) Pulmonary valve. Show Answer Correct Answer: D) Pulmonary valve. 17. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide. A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 18. True or False:An artery is a vessel that carries blood to the heart A) True. B) False. Show Answer Correct Answer: B) False. 19. What two things are needed for cellular respiration to happen in a cell? A) Glucose & oxygen. B) Water & carbon dioxide. C) Oxygen & carbon dioxide. D) Glucose & water. Show Answer Correct Answer: A) Glucose & oxygen. 20. What blood vessels allow oxygen and nutrient to pass through to the cells? A) Arteries. B) Veins. C) Capillaries. D) Aorta. Show Answer Correct Answer: C) Capillaries. ← 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