This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 207 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 207 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The narrowing of aorta A) Atherosclerosis. B) Aortic stenosis. C) Aneurysm. D) Ventricular Septal Defect. Show Answer Correct Answer: B) Aortic stenosis. 2. Blood enters the heart from the body through the ..... A) Pulmonary Vein. B) Superior/Inferior Vena Cava. C) Aorta. D) Pulmonary Artery. Show Answer Correct Answer: B) Superior/Inferior Vena Cava. 3. When a patient gets a blood test and has a high WBC count, this indicates that the patient likely has A) Cancer. B) Dehydration. C) Infection. D) Nothing. Show Answer Correct Answer: C) Infection. 4. Which statement is not a function of the skeletal system? A) Protects organs. B) Stores minerals. C) Circulates blood in the body. D) Helps with movement. Show Answer Correct Answer: C) Circulates blood in the body. 5. What is the tiniest blood vessel A) Aorta. B) Capillaries. C) One. D) None of above. Show Answer Correct Answer: B) Capillaries. 6. The pressure exerted on the arterial walls when the heart contract is called A) Diastolic pressure. B) Systolic pressure. C) Hydrostatic pressure. D) Osmotic pressure. Show Answer Correct Answer: B) Systolic pressure. 7. The smallest of the blood vessels, the ..... are important for bringing nutrients and oxygen to less innervated tissues. A) Capillaries. B) Veins. C) Arteries. D) Arterioles. Show Answer Correct Answer: A) Capillaries. 8. Heart strings that help open/close the AV valves A) Myocardium. B) Tricuspid. C) Mitral. D) Tendon chords. Show Answer Correct Answer: D) Tendon chords. 9. What colour is plasma? A) Red. B) Yellow. C) Purple. D) Pink. Show Answer Correct Answer: B) Yellow. 10. What are our smallest blood vessels? A) Capillaries. B) Caterpillars. Show Answer Correct Answer: A) Capillaries. 11. Those that bring blood back to the heart. A) Veins. B) Blood. C) Artery. D) Vessels. Show Answer Correct Answer: A) Veins. 12. The four chambers of the heart include: A) Right Atrium, left aorta, right ventricle, veins. B) Vena cava, right aorta, left ventricle, right vena cava. C) Right atrium, right ventricle, left atrium, left ventricle. D) Aorta, capillaries, veins, arteries. Show Answer Correct Answer: C) Right atrium, right ventricle, left atrium, left ventricle. 13. IDENTIFY PART I A) PULMONARY VEINS. B) RIGHT ATRIUM. C) BICUSPID VALVE. D) RIGHT ATRIUM. E) AORTIC VALVE. Show Answer Correct Answer: E) AORTIC VALVE. 14. What carry messages from the body to the brain? A) Sensory. B) Motor. C) Interneurons. D) None of above. Show Answer Correct Answer: A) Sensory. 15. Which of the following is NOT a disease of the circulatory system? A) Atherosclerosis. B) Arrhythmia. C) High Blood Pressure. D) Pancreatitis. Show Answer Correct Answer: D) Pancreatitis. 16. When bronchi become smaller they are called ..... A) Bronchioles. B) Bronchus. C) Lungs. D) Alveoli. Show Answer Correct Answer: A) Bronchioles. 17. Why is the blood that flows from the lungs to the heart bright red rather than dark red? A) As it is rich in oxygen. B) As it is rich in CO2. C) As it flows with high speed. D) The lungs add a pigment to the blood. Show Answer Correct Answer: A) As it is rich in oxygen. 18. What does your heart do? A) Pumps blood through your body. B) Protects your body. Show Answer Correct Answer: A) Pumps blood through your body. 19. Tensimeter / sphigmomanometer A) Blood pressure measuring device. B) Normal human blood pressure. Show Answer Correct Answer: A) Blood pressure measuring device. 20. The left side of the heart pumps blood to A) Lungs. B) Bladder. C) All of your body. D) Heart. Show Answer Correct Answer: C) All of your body. ← 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