This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 245 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 245 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. This type of blood vessel carries poor blood back to the heart ..... A) Veins. B) Capillaries. C) Arteries. D) None of above. Show Answer Correct Answer: A) Veins. 2. What happens in the heart during diastole? A) Ventricles contract and push blood into the pulmonary arteries. B) Ventricles contract and push blood into the atria. C) An individual will experience hypertension. D) Atria contract and push blood into the ventricles. Show Answer Correct Answer: D) Atria contract and push blood into the ventricles. 3. What is the primary function of this body system? A) The chemical breakdown of food into smaller pieces. B) The transport of nutrients, water, and oxygen to body cells. C) The production of hormones that regulate growth and metabolism. D) The protection of vital organs from injury. Show Answer Correct Answer: B) The transport of nutrients, water, and oxygen to body cells. 4. True or False:Blood is always RED, never BLUE. A) True. B) False. Show Answer Correct Answer: A) True. 5. Atherosclerosis is caused by A) A buildup of fat in the arteries. B) A buildup of protein in the arteries. C) A buildup of calcium in the arteries. D) A buildup of sodium in the arteries. Show Answer Correct Answer: A) A buildup of fat in the arteries. 6. This chamber of the heart RECEIVES blood returning from the body A) Right Atrium. B) Right Ventricle. C) Left Atrium. D) Left Ventricle. Show Answer Correct Answer: A) Right Atrium. 7. A blood pressure above 140/90 mmHg is ..... A) Hypotension. B) Normal. C) Hypertension. D) None of the above. Show Answer Correct Answer: C) Hypertension. 8. Exchange materials with cells A) Capillaries. B) Arteries. C) Veins. D) Septum. Show Answer Correct Answer: A) Capillaries. 9. Which part of the blood makes up 55% of it? A) Platelets. B) Red blood cells. C) White blood cells. D) Plasma. Show Answer Correct Answer: D) Plasma. 10. Blood cells that fight against germs A) Platelets. B) WBC. C) Haemoglobin. D) None of above. Show Answer Correct Answer: B) WBC. 11. In the ....., pulmonary arteries carry oxygen-poor blood to lungs and pulmonary veins return oxygenated blood to the heart. A) Pulmonary circuit. B) Lungs. C) Circuit. D) None of above. Show Answer Correct Answer: A) Pulmonary circuit. 12. Maxwell has lost a lot of blood and needs a transfusion. Doctors at the hospital have identified that he has A-blood type, which means he also has B and Rh antibodies in his plasma. Select the blood types he can safely receive? A) A+. B) O-. C) O+. D) B-. Show Answer Correct Answer: B) O-. 13. In what type of blood vessel does oxygen and carbon dioxide exchange take place? A) Artery. B) Arteriole. C) Capillary. D) Vein. Show Answer Correct Answer: C) Capillary. 14. In measuring blood pressure as well sphygmomanometer and got a value of 110/70. What is the number 110? A) Blood pressure that is diastolic pressure. B) Blood pressure when the heart contracts. C) Blood pressure while the heart relaxes. D) Blood pressure in the veins. Show Answer Correct Answer: B) Blood pressure when the heart contracts. 15. What is the atrium? A) How we think. B) The upper chamber on each side of the heart. C) The lower chamber on each side of the heart. D) Where humans breathe. Show Answer Correct Answer: B) The upper chamber on each side of the heart. 16. It pumps blood throughout the body by way of involuntary contractions of the cardiac muscle. A) Heart. B) Lungs. C) Blood. D) Blood vessel. Show Answer Correct Answer: A) Heart. 17. Abiotic means non-living, which abiotic factor was affecting the ecosystem in the video? A) Rain. B) Temperature. C) Sun. D) Minerals. Show Answer Correct Answer: A) Rain. 18. Larynx is also known as ..... A) Windpipe. B) Throat. C) Voice box. D) Nose. Show Answer Correct Answer: C) Voice box. 19. What happens to your heart rate as you go from walking to running? A) It slows down. B) It stays the same. C) It speeds up. D) It skips a beat. Show Answer Correct Answer: C) It speeds up. 20. What is a blood clot on the skin called? A) Platelets. B) Red. C) Scab. D) Veins. E) White. Show Answer Correct Answer: C) Scab. ← 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