This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 628 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 628 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What shape is a red blood cell? A) Tri Bonfave. B) BI facade. C) Bi Concave. D) Biscuit shaped. Show Answer Correct Answer: C) Bi Concave. 2. It is referred to as the receiving chambers of the heart. A) Atria or auricles. B) Ventricles. C) Veins. D) Capillaries. Show Answer Correct Answer: A) Atria or auricles. 3. The contraction of the chambers of the heart is called ..... A) Systole. B) Diastole. Show Answer Correct Answer: A) Systole. 4. ChoiceSystole A) DIastole. Show Answer Correct Answer: A) DIastole. 5. The AV valve found on the left side of the heart A) Semi lunar. B) Tricuspid. C) Bicuspid. D) None of above. Show Answer Correct Answer: C) Bicuspid. 6. Red blood cells have no nucleus. A) True. B) False. Show Answer Correct Answer: A) True. 7. The blood vessels that collect blood from all body parts and pour it into the heart are ..... A) Arteries. B) Veins. C) Blood capillaries. D) None of above. Show Answer Correct Answer: B) Veins. 8. What is the function of the myelin sheath? A) To help a neuron release neurotransmitters. B) To make a neuron more receptive to receiving signals from other nerve cells. C) To speed up the transmission of a signal from the cell body to the axon terminals. D) To slow down the transmission of a signal from the cell body to the axon terminals. Show Answer Correct Answer: C) To speed up the transmission of a signal from the cell body to the axon terminals. 9. The component of blood that causes clotting and prevents blood loss A) Red blood cells. B) White blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: C) Platelets. 10. Is the heart a muscle A) No. B) Yes. C) I don't know. D) None of above. Show Answer Correct Answer: B) Yes. 11. The circulatory system carry waste product like carbon dioxide to the heart. A) True. B) False. C) I don't know. D) Ask the doctor. Show Answer Correct Answer: B) False. 12. Associated with the heart.1. right atrium2. left atrium3. right ventricle4. left ventricle5. Bicuspid6. aorta7. pulmonary semilunar valve8. pulmonary artery9. pulmonary veins10. tricuspidWhat is the correct order for the flow of blood returning to the heart from the systemic circulation? A) 1, 10, 3, 7, 8, 9, 2, 5, 4, 6. B) 1, 10, 3, 7, 9, 8, 2, 4, 5, 6. C) 9, 2, 5, 4, 6, 1, 10, 3, 7, 8. D) 9, 2, 4, 5, 6, 1, 10, 3, 8, 7. Show Answer Correct Answer: A) 1, 10, 3, 7, 8, 9, 2, 5, 4, 6. 13. What type of blood is on the left side of the heart? A) Oxygenated. B) Deoxygenated. Show Answer Correct Answer: A) Oxygenated. 14. What happens after the left atrium in the second loop? A) The blood goes to the right atrium. B) The blood goes to the left atrium. C) The blood goes to the right ventricle. D) The blood goes to the left ventricle. Show Answer Correct Answer: D) The blood goes to the left ventricle. 15. Which vessel has the smallest lumen A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 16. What are the three key components of the cardiovascular system? A) The heart, the lungs, the kidneys. B) The heart, the blood vessels, the blood. C) The heart, the brain, the arteries. D) The heart, the veins, the capillaries. Show Answer Correct Answer: B) The heart, the blood vessels, the blood. 17. P Wave: A) SA Nodes contracts Both atria contracts. B) Impulses reach the av node 0.10 delay allows. C) Repolarization or recovery of the ventricles. D) Impulses hit av bundle branch off into two bundles down front of heart into purkinje fibers. Show Answer Correct Answer: A) SA Nodes contracts Both atria contracts. 18. What is the purpose of taking a person's blood pressure? A) To measure the oxygen content in the blood. B) To measure the force of blood against artery walls. C) To measure the heart rate. D) To measure the carbon dioxide levels in the blood. Show Answer Correct Answer: B) To measure the force of blood against artery walls. 19. The right side of the heart carries oxygenated blood A) True. B) False. Show Answer Correct Answer: B) False. 20. The heart is divided into ..... parts. A) 2. B) 4. C) 6. D) 1. Show Answer Correct Answer: B) 4. ← 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