This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 364 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 364 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What type of muscle is the heart made from? A) Smooth Muscle. B) Skeletal Muscle. C) Cardiac Muscle. D) None of above. Show Answer Correct Answer: C) Cardiac Muscle. 2. What blood vessels are the smallest blood vessels that bring oxygen and nutrients to all the cells in the body? A) Arteries. B) Veins. C) Capillaries. D) Lymph nodes. Show Answer Correct Answer: C) Capillaries. 3. What layer of the heart muscle is 3rd most superficial? A) Epicardium. B) Myocardium. C) Endocardium. D) Pericardium. Show Answer Correct Answer: B) Myocardium. 4. Patients whose heart beats irregularly (cardiac arrhythmia) or is too fast or too slow. What are the possible treatments? A) Using an artificial pacemaker. B) Bypass surgery. C) Do balloon angioplasty. D) Using an electric heart defibrillator (defibrillator). Show Answer Correct Answer: A) Using an artificial pacemaker. 5. Compared to arteries, veins A) Have thicker walls. B) Have thinner walls. C) Are longer. D) Are shorter. Show Answer Correct Answer: B) Have thinner walls. 6. When sitting in class, what Heart Rate Zone are we in? A) Maximum. B) Target. C) Resting. D) Overdrive. Show Answer Correct Answer: C) Resting. 7. Active phagocytes A) Neutrophils. B) Eosinophils. C) Basophils. D) Monocytes. Show Answer Correct Answer: A) Neutrophils. 8. Which type of blood vessel has valves to prevent blood from flowing backwards? A) Arteries. B) Veins. C) Lymph vessels. D) Capillaries. Show Answer Correct Answer: B) Veins. 9. At which point, A, B, C, D or E in the graph did Robin start taking a break? A) A. B) B. C) C. D) D. Show Answer Correct Answer: C) C. 10. Where are red blood cells produced? A) Valves. B) Bone Marrow. C) Heart. D) Lungs. Show Answer Correct Answer: B) Bone Marrow. 11. Which of the following blood pressure readings is hypertensive? A) 160/100. B) 130/80. C) 120/70. D) 90/50. Show Answer Correct Answer: A) 160/100. 12. Blood with oxygen * A) Goes toward the heart from the cells. B) Leaves the heart to go to cells. Show Answer Correct Answer: B) Leaves the heart to go to cells. 13. In normal people, how long is the ventricular rest time in each cycle? A) 0.6 seconds. B) 0.4 seconds. C) 0.5 seconds. D) 0.3 seconds. Show Answer Correct Answer: C) 0.5 seconds. 14. Your blood is made up of which of the following ..... A) Plasma, red blood cells, blue blood cells. B) White and red blood cells. C) White and red blood cells. D) Plasma, red blood cells, white blood cells, and platelets. Show Answer Correct Answer: D) Plasma, red blood cells, white blood cells, and platelets. 15. Carry oxygen in the blood and are small disk-shaped cells that have no nucleus and are made mostly of hemoglobin. A) Plasma. B) Red blood cells. C) White blood cells. D) Platelets. Show Answer Correct Answer: B) Red blood cells. 16. What helps the blood flow in one direction? A) Arteries. B) Veins. C) Valves. D) Iron. Show Answer Correct Answer: C) Valves. 17. Which system does the circulatory system work with to carry oxygen and fight disease? A) Wait What?!. B) Respiratory System. C) Digestive System. D) Skeletal System. Show Answer Correct Answer: D) Skeletal System. 18. They are produced in the lymph nodes A) White blood cells. B) Red blood cells. C) Plasma. D) Blood. E) Transportation path. Show Answer Correct Answer: A) White blood cells. 19. As a venous pathway moves closer to the heart, the veins A) Get smaller. B) Get larger. C) Do not change in size. D) Watch netflix. Show Answer Correct Answer: B) Get larger. 20. Our circulatory system is like a transport system A) True. B) False. Show Answer Correct Answer: A) True. ← 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