This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 384 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 384 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The cells that contain hemoglobin which helps carry oxygen are called A) White blood cells. B) Red blood cells. C) Platelets. D) None of above. Show Answer Correct Answer: B) Red blood cells. 2. Where does hematopoiesis take place, producing new RBCs? A) Red bone marrow. B) Yellow bone marrow. C) Synovial membrane. D) Articular cartilage. Show Answer Correct Answer: A) Red bone marrow. 3. Which of the following structures is NOT in the pulmonary circuit? A) Pulmonary arteries. B) Pulmonary veins. C) Aorta. D) Lungs. Show Answer Correct Answer: C) Aorta. 4. One of the most common examples of homeostasis is body temperature. When your body temperature rises above normal, how does your body respond? A) Coughs. B) Shivers. C) Sweats. D) None of above. Show Answer Correct Answer: C) Sweats. 5. What is hypertension? A) High blood pressure. B) Low blood pressure. C) High blood oxygen. D) Low blood oxygen. Show Answer Correct Answer: A) High blood pressure. 6. Where is oxygenated blood found? A) Right atrium and left ventricle. B) Left atrium and left ventricle. C) Right atrium and right ventricle. D) Left atrium and right atrium. Show Answer Correct Answer: B) Left atrium and left ventricle. 7. Blood flows from the right atrium to the right ventricle through this valve A) Mitral valve. B) Tricuspid valve. C) Aortic valve. D) Pulmonary valve. Show Answer Correct Answer: B) Tricuspid valve. 8. The bicuspid valve is also known as the: A) Right atrioventricular valve. B) Aortic semilunar valve. C) Pulmonary semilunar valve. D) Mitral valve. Show Answer Correct Answer: A) Right atrioventricular valve. 9. Which of the following is NOT a function of the liver? A) Produce bile. B) Detoxify the blood. C) Recycle old blood cells. D) Provide pumping force for blood. Show Answer Correct Answer: D) Provide pumping force for blood. 10. How many pints of blood are in the average human? A) 1. B) 20. C) 10. D) None of above. Show Answer Correct Answer: C) 10. 11. Can the blood cells stay in the body for 3 years? A) Yes!. B) No!. Show Answer Correct Answer: A) Yes!. 12. A blood vessel that takes blood away from the heart to the body's organs is called A) Capillary. B) Blood Vessel. C) Vein. D) Artery. Show Answer Correct Answer: D) Artery. 13. Which Blood Type is known as the "universal recipient" ? A) Type A. B) Type B. C) Type AB. D) Type O. Show Answer Correct Answer: C) Type AB. 14. Which of these describes an artery? A) Thin wall, large opening. B) Thick elastic wall, small opening. C) Thick elastic wall, large opening. D) Thin wall, no opening. Show Answer Correct Answer: B) Thick elastic wall, small opening. 15. A pulse is the rhythmic expansion of an artery A) True. B) False. Show Answer Correct Answer: A) True. 16. Which of the following respiratory diseases is characterized by the restriction in the movement of air due to recurring episodes of contractions of the bronchial smooth muscle? A) Covid-19. B) Asthma. C) Bronchitis. D) Lung Cancer. Show Answer Correct Answer: B) Asthma. 17. The large muscle below the lungs that contracts and relaxes during breathing is A) Lungs. B) Larynx. C) Diaphragm. D) None of above. Show Answer Correct Answer: C) Diaphragm. 18. Which part of the respiratory system is commonly called the "throat" ? A) Larynx. B) Pharynx. C) Trachea. D) Diaphragm. Show Answer Correct Answer: B) Pharynx. 19. Lymph nodes swell when the lymphatic system is doing which important job? A) Making red blood cells. B) Producing hormones. C) Transporting oxygen. D) Fighting infection. Show Answer Correct Answer: D) Fighting infection. 20. Your heart is located ..... A) In the middle of your head. B) Left of the center of your chest. C) On the side of your hip. D) None of above. Show Answer Correct Answer: B) Left of the center of your chest. ← 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