This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 424 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 424 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which is false? A) Lenticels can form on the stem as a response to injury,. B) Provides a pathway for the direct exchange of gases. C) Water released during lenticular transpiration amounts to 10% of all transpiration. D) Lenticels are present in the bark, lenticels transpire. Show Answer Correct Answer: C) Water released during lenticular transpiration amounts to 10% of all transpiration. 2. There is a pulse on the top of your foot A) True. B) False. Show Answer Correct Answer: A) True. 3. Given the following structures:1. larynx 2. nasal cavity 3. pharynx 4. trachea Which of the following is the correct order that air would flow during inhalation? A) 1, 2, 3, 4. B) 2, 3, 1, 4. C) 2, 1, 3, 4. D) 4, 2, 3, 1. Show Answer Correct Answer: B) 2, 3, 1, 4. 4. The last stop for oxygen poor blood is the A) Pulmonary artery. B) Pulmonary vein. C) Lungs. D) Pulmonary valve. Show Answer Correct Answer: C) Lungs. 5. It is the terminology for the process of blood production. A) Hematogenesis. B) Hematoregenerist. C) Hematopoiesis. D) Hematoformis. Show Answer Correct Answer: C) Hematopoiesis. 6. Where does air go after the pharynx during inhalation? A) Nose. B) Trachea. C) Bronchi. D) Alveoli. Show Answer Correct Answer: B) Trachea. 7. What are the surface chemicals on an erythrocyte called? A) Antibodies. B) Antidotes. C) Antigens. D) Antiblood. Show Answer Correct Answer: C) Antigens. 8. Why is a myocardial infarction life threatening? A) Because a damaged heart cannot pump blood effectively. B) Because a minor bump or fall could lead to internal bleeding. C) Because it inhibits the exchange of oxygen and carbon dioxide in body cells. D) Because swollen veins lose elasticity which decreases blood flow to vital organs. Show Answer Correct Answer: A) Because a damaged heart cannot pump blood effectively. 9. What is it called when a blood vessel in the brain is clogged or ruptures? A) Myocardial infarction. B) Coronary artery disease. C) Brain freeze. D) Stroke. Show Answer Correct Answer: D) Stroke. 10. Your body's main source of energy A) Ingested Food. B) Ingested Liquid. C) Oxygen. D) Glucose. Show Answer Correct Answer: D) Glucose. 11. What system moves air into and out of the lungs? A) Respiratory. B) Circulatory. C) Digestive. D) Muscular. Show Answer Correct Answer: A) Respiratory. 12. Bradycardia-pulse rate ↓ than normalTachycardia-pulse rate ↑ than normal Is the statement above TRUE or FALSE? A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 13. ..... begin large and wide at the heart. A) Arteries. B) Veins. C) Blood capillaries. D) Blood platelets. Show Answer Correct Answer: A) Arteries. 14. Where are RBCs produced in our body? A) Thymus. B) Spleen. C) Bone Marrow. D) Heart. Show Answer Correct Answer: C) Bone Marrow. 15. This regulates the functioning of the heart by creating relaxation and contraction in the muscle A) Heart Function. B) Circulatory System. C) Cardiac Muscle Tissue. D) Antibodies. Show Answer Correct Answer: C) Cardiac Muscle Tissue. 16. What is the function of the hepatic potal vein? A) To carry deoxygenated blood from the liver to the vena cava. B) To carry oxygenated blood from the Aorta to the liver. C) To carry deoxygenated blood from the small intestines to the Liver. D) To carry oxygenated blood from the liver to the vena cava. Show Answer Correct Answer: C) To carry deoxygenated blood from the small intestines to the Liver. 17. The nervous system includes sensory organs (eyes, ears, skin) A) True. B) False. Show Answer Correct Answer: A) True. 18. Beans and green vegetables are a good source of ....., which is good for your blood. A) Vitamin C. B) Iron. C) Oxygen. D) Sodium. Show Answer Correct Answer: B) Iron. 19. The heart layer that keeps blood from sticking to the inside of the heart and forming potentially deadly blood clots is called A) Endocardium. B) Pericardium. C) Myocardium. D) Epicardium. Show Answer Correct Answer: A) Endocardium. 20. Largest artery connected to the heart A) ARTERIOLES. B) AORTA. C) VENULES. D) VENA CAVA. Show Answer Correct Answer: B) AORTA. ← 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