This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 176 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 176 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... occurs when ventricles of the heart contract and blood is forced into the arteries, pressure increases A) Systolic pressure. B) Diastolic pressure. C) Heart attack. D) Heart murmurs. E) Angina pectoris. Show Answer Correct Answer: A) Systolic pressure. 2. ..... only open one-way and they are like on and off switches to let blood in and out of the heart. A) Ventricles. B) Valves. C) Atria. D) Aorta. Show Answer Correct Answer: B) Valves. 3. 90% of Plasma is made up of what? A) Salts. B) Proteins. C) Water. D) Hormones. Show Answer Correct Answer: C) Water. 4. Which is the largest artery in the body? A) Pulmonary. B) Aorta. C) Coronary. D) Femoral. Show Answer Correct Answer: B) Aorta. 5. What can increase the risk of getting high blood pressure? A) Genetics. B) Eating too much salt and not enough fruit and vegetables. C) Getting enough exercise. D) Not having enough rest. Show Answer Correct Answer: B) Eating too much salt and not enough fruit and vegetables. 6. White blood cell A) Erythrocyte. B) Leukocyte. C) Plasma. D) Hemoglobin. Show Answer Correct Answer: B) Leukocyte. 7. Which circulation loop is between the heart and the body? A) Systemic circulation. B) Coronary circulation. C) Pulmonary circulation. D) Artery circulation. Show Answer Correct Answer: A) Systemic circulation. 8. Normal blood pressure is A) 120/80. B) 100/50. C) 170/90. D) 200/100. Show Answer Correct Answer: A) 120/80. 9. Where do red blood cells pick up oxygen? A) Al the level of alveoli. B) Inside the heart. C) In the veins. D) In the arteries. Show Answer Correct Answer: A) Al the level of alveoli. 10. An untreated Rh negative mother is having an Rh positive baby. Which condition might be suspected in the baby? A) Multiple myeloma. B) Polycthemia. C) Sickle cell anemia. D) Erythroblastosis fetalis. Show Answer Correct Answer: D) Erythroblastosis fetalis. 11. What is the average heart rate for a healthy adult at rest? A) 40-60 beats per minute. B) 80-120 beats per minute. C) 100-140 beats per minute. D) 60-100 beats per minute. Show Answer Correct Answer: D) 60-100 beats per minute. 12. The blood enters on the left side of the heart through the ..... and enters the left atrium. It then passes through the ..... to enter the left ventricle.* A) Pulmonary artery, mitral valve. B) Pulmonary vein, tricuspid valve. C) Pulmonary artery, aortic valve. D) . pulmonary vein, bicuspid valve. Show Answer Correct Answer: D) . pulmonary vein, bicuspid valve. 13. What is a factor that is measured for change in an experiment? A) Control. B) Constant. C) Independent variable. D) Dependent variable. Show Answer Correct Answer: D) Dependent variable. 14. Regulates blood flow between the right atrium and right ventricle A) Tricuspid valve. B) Atria. C) Pulmonary trunk. D) Aorta. Show Answer Correct Answer: A) Tricuspid valve. 15. Where is bile stored? A) Liver. B) Gall bladder. C) Stomach. D) Pancreas. Show Answer Correct Answer: B) Gall bladder. 16. Veins (artery) A) Heart wall (3). B) Heart room. C) Heart valves (3). D) Cardiac nerves (3). E) Blood Vessels (3). Show Answer Correct Answer: E) Blood Vessels (3). 17. This is the part of the blood that is mostly water and carries blood cells around the body. A) Red blood cells. B) Platelets. C) White blood cells. D) Plasma. Show Answer Correct Answer: D) Plasma. 18. What is the main function of plasma? A) Clotting Blood. B) Fighting Disease. C) Transportation. D) Carry Oxygen. Show Answer Correct Answer: C) Transportation. 19. Pulmonary vein carries oxygenated blood to the ..... atrium. A) Left. B) Right. C) Not one of the above. D) None of above. Show Answer Correct Answer: A) Left. 20. What is another name for the cardiovascular system? A) Respiratory System. B) Digestive System. C) Circulatory System. D) Endocrine System. Show Answer Correct Answer: C) Circulatory System. ← 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