This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 167 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 167 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The wrong statement about ECG is A) The machine (electro-cardiogram) is used to obtain an electrocardiograph (ECG). B) P-wave represents depolarisation of atria. C) The end of the T-wave marks the end of systole. D) QRS complex represents depolarisation of ventricles. Show Answer Correct Answer: A) The machine (electro-cardiogram) is used to obtain an electrocardiograph (ECG). 2. What makes up our circulatory system? A) Heart, lungs and blood vessels. B) Nose, heart, diaphragm and liver. C) Heart, blood vessels and blood. D) Lungs, heart and blood vessels. Show Answer Correct Answer: C) Heart, blood vessels and blood. 3. The ..... has thin muscular wall, very big lumen and valves A) Artery. B) Capillary. C) Vein. D) None of above. Show Answer Correct Answer: C) Vein. 4. The ..... is a large vein carrying deoxygenated blood back to the heart A) Vena cava. B) Superior vena cava. C) Aorta. D) Inferior vena cava. Show Answer Correct Answer: A) Vena cava. 5. The following one is not correct statement about blood capillaries. Find out the statement. One of the following sentences about blood capillaries is not correct. A) Hair like vessels. B) Unilayered membrane is covered with a membrane. C) Plays role in diffusion. D) None of the above పైవేవీ కావు. Show Answer Correct Answer: D) None of the above పైవేవీ కావు. 6. The cusps of atrioventricular valves are attached to papillary muscles by the ..... A) Tendon chords. B) Bicuspid. C) Tricuspid. D) Semilunar valves. E) Coronary blood vessels. Show Answer Correct Answer: A) Tendon chords. 7. Oxygenated blood pathway arrange steps from 1-7:lungs A) 1. B) 2. C) 5. D) 4. Show Answer Correct Answer: A) 1. 8. When you exhale, your diaphragm relaxes and moves up, and the lungs deflate. A) True. B) False. Show Answer Correct Answer: A) True. 9. Which side of the heart sends blood through your lungs to collect oxygen? A) The right side. B) The left side. Show Answer Correct Answer: A) The right side. 10. Cyte A) Heart. B) Clot. C) Cell. D) Red. Show Answer Correct Answer: C) Cell. 11. What is the function of plasma in the circulatory system? A) Transporting oxygen. B) Producing antibodies. C) Clotting blood. D) Transports nutrients. Show Answer Correct Answer: D) Transports nutrients. 12. The 3 steps to hemostasis are A) Vascular spasms, platelet plug formation, clot retraction and repair. B) Clot retraction and repair, spasms, fibrinolysis. C) Vascular spasms, platelet plug formation, coagulation. D) Fibrinolysis, vascular spasms, coagulation. Show Answer Correct Answer: C) Vascular spasms, platelet plug formation, coagulation. 13. I am made up of 90% water A) Plasma. B) White Blood Cells. C) Red Blood Cells. D) Platelets. Show Answer Correct Answer: A) Plasma. 14. There is a ..... between the two sides of the heart to prevent mixing the blood. A) Valve. B) Artery. C) Muscular wall. D) Vein. Show Answer Correct Answer: C) Muscular wall. 15. True or FalseFour causes of high blood pressure include:1.Diet high in Fats, salt, sugar plaque2.Hereditary3. Age 4.stress A) True. B) False. Show Answer Correct Answer: A) True. 16. Your heart pumps blood throughout your entire body through little tubes called ..... A) Veins. B) Arteries. C) Plasma. D) Platelets. Show Answer Correct Answer: B) Arteries. 17. The right side of the heart contains oxygenated blood. TRUE OR FALSE? A) TRUE. B) FALSE. Show Answer Correct Answer: B) FALSE. 18. Blood from heart A) Pulse. B) Pulmonary circulation. C) Systematic circulation. D) Pericardium. E) Aorta. Show Answer Correct Answer: B) Pulmonary circulation. 19. Which blood vessels have thin walls that allow for the exchange of nutrients, gases, and waste products with surrounding tissues? A) Arteries. B) Capillaries. C) Veins. D) Venules. Show Answer Correct Answer: B) Capillaries. 20. Mainly attack parasites A) Eosinophils. B) Neutrophils. C) Monocytes. D) Lymphocytes. Show Answer Correct Answer: A) Eosinophils. ← 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