This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System â Quiz 302 ð Homepage ð Download PDF Books ð Premium PDF Books Circulatory System Quiz 302 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The trachea branches off into two: A) Alveoli. B) Bronchi. C) Bronchioles. D) None of above. Show Answer Correct Answer: B) Bronchi. 2. What is the outer surface of the heart called? A) Endocardium. B) Myocardium. C) Epicardium. D) Aorta. Show Answer Correct Answer: C) Epicardium. 3. High blood pressure that can lead to weakened and less flexible arteries is called ..... A) Diabetes. B) Hypertension. C) Pneumonia. D) Stroke. Show Answer Correct Answer: B) Hypertension. 4. The function of platelets are to A) Transport substances. B) Prevent blood loss. C) Transport oxygen. D) Protect against infections. Show Answer Correct Answer: B) Prevent blood loss. 5. What is the function of the left ventricle in the heart? A) Pumps blood to the lungs. B) Receives oxygenated blood. C) Pumps oxygenated blood to the body. D) Receives deoxygenated blood. Show Answer Correct Answer: C) Pumps oxygenated blood to the body. 6. After jogging, I felt my heart beart rate increases. What will be my pulse rate? A) Decreases. B) Increases. C) Remains same. D) Cannot imagine. Show Answer Correct Answer: B) Increases. 7. The blood transports waste substances to the ..... A) Pancreas. B) Vena cava. C) Kidneys. D) Stomach. Show Answer Correct Answer: C) Kidneys. 8. Pulmonary, coronary or systemic circulation? Adds oxygen and removes carbon dioxide from the blood. A) PULMONARY. B) SYSTEMIC. C) CORONARY. D) None of above. Show Answer Correct Answer: A) PULMONARY. 9. Due to lack of significant pressure, valves are found in the A) Veins. B) Arteries. Show Answer Correct Answer: A) Veins. 10. Which type of blood cells is most important to carrying oxygen to body cells? A) Red blood cells. B) White blood cells. C) Platelets. D) Hemoglobin. Show Answer Correct Answer: A) Red blood cells. 11. Blood is squeezed out of the heart into the blood vessels when heart muscles ..... A) Contract. B) Relax. Show Answer Correct Answer: A) Contract. 12. Depolarization occurs when A) Sodium channels open. B) Potassium channels open. C) Sodium channels close. D) Potassium channels close. Show Answer Correct Answer: A) Sodium channels open. 13. Another name for the circulatory system is ..... because they describe the system that consists of the heart, blood vessels, and blood. A) Cardiovascular System. B) Heart. C) Vein. D) Artery. Show Answer Correct Answer: A) Cardiovascular System. 14. Which of the following is a function of the blood? A) Transport of nutrients and wastes. B) Transport of body heat. C) Defense against toxins and pathogens. D) All of the above. Show Answer Correct Answer: D) All of the above. 15. Circulatory system āļāļ·āļ? A) Circulatory system. B) Lymphatic circulation system. C) Water circulation system. D) Blood and lymphatic circulatory system. Show Answer Correct Answer: D) Blood and lymphatic circulatory system. 16. Which part of the heart has the thickest wall? A) Left Ventricle. B) Right Atrium. C) Left Atrium. D) Right Ventricle. Show Answer Correct Answer: A) Left Ventricle. 17. Who is Shannon A) Boy. B) Girl. C) Big boy. D) Small boy. Show Answer Correct Answer: A) Boy. 18. What is the blood vessel that allows the union between veins and arteries, forming a network? A) Arteries. B) Veins. C) Capillaries. D) Blood. Show Answer Correct Answer: C) Capillaries. 19. The part of the heart that receives blood from the body. A) Left Atrium. B) Right Atrium. C) Right Ventricle. D) Left Ventricle. Show Answer Correct Answer: B) Right Atrium. 20. The letter S refer to speed in FAST acronym A) True. B) False. Show Answer Correct Answer: B) False. â PreviousNext âRelated 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 ð Back to Homepage ð Download PDF Books ð Premium PDF Books