This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 542 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 542 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. RED REPRESENTS: A) OXYGENATED BLOOD. B) DEOXYGENATED BLOOD. Show Answer Correct Answer: A) OXYGENATED BLOOD. 2. What is the function of lymphocytes? A) Blood clotting. B) Transports dissolved materials. C) Produce antibodies. D) Engulf and ingest agglutinated foreign particles. Show Answer Correct Answer: C) Produce antibodies. 3. Normal BP in humans is 120/80. 120 means..... Normal blood pressure in humans is 120/80. 120 ie ..... A) Systolic pressure Systolic pressure. B) Diastolic pressure Diastolic pressure. C) Blood pressure. D) Pressure. Show Answer Correct Answer: A) Systolic pressure Systolic pressure. 4. This cell type combats parasitic infections but also helps to promote inflammation and plays a role in allergic reactions A) Basophil. B) Monocyte. C) Eosinophil. D) Neutrophil. Show Answer Correct Answer: C) Eosinophil. 5. Large vein in the heart (upper one) A) Aorta. B) Superior vena cava. C) Inferior vena cava. D) Left atrium. Show Answer Correct Answer: B) Superior vena cava. 6. Which does not have a role in forming a blood clot? A) Platelet. B) Enzyme. C) Fibrin. D) Plasma. Show Answer Correct Answer: D) Plasma. 7. Vessels in circulatory system that carry deoxygenated blood TOWARD the heart A) Veins. B) Arteries. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Veins. 8. How does the body regulate temp with blood flow? ( A) Pulls heat from the skin layer (outer) to the internal organs (core) for warmth. B) Pull heat from the internal organs (core) to the skin layer (outer) for warmth. Show Answer Correct Answer: B) Pull heat from the internal organs (core) to the skin layer (outer) for warmth. 9. From the right ventricle, blood is pushed through the pulmonary valve into the: A) Superior vena cava. B) Inferior vena cava. C) Left subclavian artery. D) Pulmonary trunk. Show Answer Correct Answer: D) Pulmonary trunk. 10. The main organ in the heart is the A) Hero. B) Lungs. C) Heart. D) Circulatory. Show Answer Correct Answer: C) Heart. 11. Which is the biggest artery of the circulatory system? A) The pulmonary artery. B) The superior vena cava. C) The aorta. D) The inferior vena cava. Show Answer Correct Answer: C) The aorta. 12. The blood vessel which carries deoxygenated blood from all parts of the body to the heart A) Pulmonary artery. B) Aorta. C) Pulmonary vein. D) Vena cava. Show Answer Correct Answer: D) Vena cava. 13. What heart chamber receives deoxygenated blood from the vena cava? A) Right atrium. B) Right ventricle. C) Left atrium. D) Left ventricle. Show Answer Correct Answer: A) Right atrium. 14. Red blood cells contain ..... that is red and gives blood its color. A) White blood cells. B) Myoglobin. C) Plasma. D) Hemoglobin. Show Answer Correct Answer: D) Hemoglobin. 15. RESPI or CICRU. Read analyze the following statement/situation and determine whether it describes the Respiratory System or Circulatory System. Question:It delivers oxygen to our body. A) RESPOND. B) CIRCU. Show Answer Correct Answer: A) RESPOND. 16. What is the name of the fourth chamber? A) Capillary. B) Right ventricle. C) Left ventricle. D) Vein. Show Answer Correct Answer: C) Left ventricle. 17. The heart filters and cleans blood from the body before it is pumped round again A) True. B) False. Show Answer Correct Answer: B) False. 18. The ..... supplies blood to the digestive tract. A) Phrenic arteries. B) Superior mesenteric arteries. C) Lumbar artery. D) Middle sacral artery. Show Answer Correct Answer: B) Superior mesenteric arteries. 19. What is the pulmonary artery? A) Carries oxygen-poor blood from lungs to the heart. B) Carries oxygen-poor blood from heart to lungs. C) Carries oxygen-poor blood from the heart to body. D) Carries oxygen-rich blood from the rest of the body. Show Answer Correct Answer: B) Carries oxygen-poor blood from heart to lungs. 20. Muscles give us shape and help us maintain good posture? 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