This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System โ Quiz 224 ๐ Homepage ๐ Download PDF Books ๐ Premium PDF Books Circulatory System Quiz 224 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If you are having a heart attack, crucial thing is A) Call 911. B) Sit and cry. C) Try to help your self. D) Lay down. Show Answer Correct Answer: A) Call 911. 2. Blood vessels that bring blood towards the heart are known as A) Capillaries. B) Arteries. C) Veins. D) None. Show Answer Correct Answer: C) Veins. 3. In which of the blood vessel blood flows towards the heart? Blood vessels in which blood flows towards the heart? A) Veins. B) Arteries Arteries. C) Blood capillaries. D) All the above เฐชเฑเฐตเฐจเฑเฐจเฑ. Show Answer Correct Answer: A) Veins. 4. Which of the following vessels has the lowest blood pressure? A) Veins. B) Capillaries. C) Vena cava. D) Arterioles. Show Answer Correct Answer: C) Vena cava. 5. Membrane surrounds heart contains two layers. In between two layers a fluid is filled. Function of the fluid ..... There is a two-layered membrane surrounding the heart. A fluid fills between the two layers and the function of the fluid is ..... A) Protection. B) Nurishment. C) Information. D) Defence. Show Answer Correct Answer: A) Protection. 6. This condition is a rare genetic disorder in which the blood doesn't clot in the typical way because it doesn't have enough blood-clotting proteins (clotting factors). People that have this condition might bleed for a longer time after an injury than they would if their blood clotted properly. Treatment includes regular replacement of the specific clotting factor that is reduced. A) Hemophilia. B) Leukemia. C) Anemia. D) Heart Failure. E) Arrhythmia. Show Answer Correct Answer: A) Hemophilia. 7. Thickest histologic layer of the heart A) Endocardium. B) Myocardium. C) Epicardium. D) None of above. Show Answer Correct Answer: B) Myocardium. 8. Guess what? Red blood cells have a superpower! What is it? A) Fighting infections like a warrior. B) Clotting blood to prevent leaks. C) Transporting gases like a speedy delivery service. D) Carrying nutrients to feed the cells. Show Answer Correct Answer: C) Transporting gases like a speedy delivery service. 9. Veins collects blood from inferior parts of heart..... A) Superior vena cava Urdva Brihatsira. B) Inferior vena cava is the inferior vena cava. C) Both. D) Pulmonary vein. Show Answer Correct Answer: B) Inferior vena cava is the inferior vena cava. 10. Which type of animal has two atrium and one ventricle? A) Mammal. B) Bird. C) Fish. D) Amphibian. Show Answer Correct Answer: D) Amphibian. 11. Which variable depends on what is done at the beginning of an experiment? A) Dependent. B) Independent. C) Control. D) Following. Show Answer Correct Answer: A) Dependent. 12. Which of the following do omnivores eat? A) Plants only. B) Plants and meat. C) Meat only. D) They make their own food. Show Answer Correct Answer: B) Plants and meat. 13. Cells that work together are called A) Tissue. B) Organ. C) Capillaries. D) Joints. Show Answer Correct Answer: A) Tissue. 14. What is the name of a upper chamber of the heart? A) Myocardium. B) Ventricle. C) Atrium. D) Pericardium. Show Answer Correct Answer: C) Atrium. 15. Common signs of a myocardial infarction may include all but A) Loss of function on one side of the body. B) Pain in left arm. C) Difficulty breathing. D) Loss of consciousness. Show Answer Correct Answer: A) Loss of function on one side of the body. 16. What do the capillaries do? A) Hand off oxygenated blood in favor of deoxygenated blood. (Body cells receive 02). B) Bring deoxygenated blood to the heart. C) Carry blood away from the heart. D) None of above. Show Answer Correct Answer: A) Hand off oxygenated blood in favor of deoxygenated blood. (Body cells receive 02). 17. These blood vessels carry our blood to the Heart. A) Arteries. B) Capillaries. C) Veins. D) Ventricles. Show Answer Correct Answer: C) Veins. 18. When oxygen-rich blood is carried AWAY from the heart, it travels through an ..... A) Artery. B) Neuron. C) Vein. D) Straw. Show Answer Correct Answer: A) Artery. 19. To which car part can the heart be compared? A) Engine. B) Wheels. C) Steering Column. D) Radio. Show Answer Correct Answer: A) Engine. 20. Occurs when the blood flow to a part of the heart muscle is blocked. A) Heart attack. B) Stroke. C) Anemia. D) Paralysis. Show Answer Correct Answer: A) Heart attack. โ PreviousNext โRelated 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 ๐ Back to Homepage ๐ Download PDF Books ๐ Premium PDF Books