CIRCULATORY SYSTEM TEST-1 RRB PARAMEDICAL OR GOVT EXAM, MCQ BASED QUESTIONS AND ANSWER

@SCIENCE, EDUCATION PRABHAKAR SINGH PK
The circulatory system is a network of organs and blood vessels that carries blood, oxygen, nutrients, and hormones throughout the body.
The circulatory system includes:
The heart
A muscular organ that pumps blood through the body. The heart has valves that keep blood flowing in the right direction.
Blood vessels
These include arteries, veins, and capillaries. Arteries carry blood away from the heart, while veins carry blood back to the heart. Capillaries connect arteries to veins and allow for the exchange of nutrients and gases between blood and tissues.
Blood
Carries oxygen, nutrients, hormones, antibodies, and waste products throughout the body.

1. CIRCULATORY SYSTEM PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

2. 1. Which of the following is not a type of blood cell made by the bone marrow ? (a) Osteoclasts (b) Red blood cell (c) Platelets (d) White blood cell PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

3. 2. Which of the following is a large bean shaped lymphoid organ in the human body ? (a) Thymus (b) Spleen (c) Lymph node (d) Tonsil PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

4. 3. Lymph is a light clear fluid made up of white blood cell that attack harmful _____ in the body. Protozoa Fungi (c) Virus (d) Bacteria PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

5. 4. Swollen bluish veins resulting from the valves that do not close properly are called _____ (a) Systemic veins (b) Varicose veins (c) Deep veins (d) Superficial veins PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

6. 5. Crocodile have _____ heart chambers. 3 4 (c) 5 (d) 2 PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

7. 6. A healthy individual has 12-16 gms of Heamoglobin in every _____ ml of blood . 100 1000 (c) 10000 ( d) 100000 PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

8. 7. Which among the following carries impure blood to human heart? (a) Aorta (b) Pulmonary vein (c) Pulmonary arteries (d) Vena Cava PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

9. 8. With w hic h of the following organ is pacemaker is associated? Liver (b) Brain (c) Heart (d) Lungs PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

10. 9. _____ brings back deoxygenated blood from different parts of human body to heart ? Lungs Veins (c) Arteries (d) Nerves PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

11. 10. Largest artery in human body is _____ (a) Aorta (b) Vena cava (c) Capillary (d) Pulmonary vein PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

12. 11 . _____ blood group is universal receiver ? AB+ (b) O+ (c) A+ (d) O– PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

13. 12. _____ carries blood from heart to kidneys. (a) Renal vein (b) Renal artery (c) Vena cava (d) Coronary artery PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

14. 13. The sino -atrial node is located in _____ Bladder Heart (c) Brain (d) Stomach PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL

15. 14. _____ is responsible for red blood cells. Lungs Heart (c) Brain (d) Bone marrow PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

16. 15. _____ performs the task of capturing oxygen in the blood RBC (b) WBC (c) Haemoglobin (d) Chlorophyll PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

17. 16. The process of blood clotting is called _____ (a ) Coagulation (b) Thrombocytopenia (c) Hemophilia (d) Homophobia PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL

18. 17. _____ are also called as the Soldiers of human body. (a) Eosinophils (b) WBC (c) RBC (d) Basophils PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

19. 18. _____ gases reduce the oxygen carrying capacity of blood. (a) Nitric oxide (b) Carbon dioxide (c) Carbon monoxide (d) Nitrous oxide PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

20. 19. _____ if not a valve of heart. Tricuspid (b) Mitral (c) Aortic (d) Septum PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

21. 20. _____ is not correct regarding Bombay blood group? (a) A person with this blood group may receive blood only from a person with 0 blood group. (b) It was first discovered in 1952 by dr. Y.M. Bhende. (c) It is deficiency in expressing h antigen. (d) It has neither A nor B antigen. PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

22. 21. pH of human blood is _____ (a) Slightly Acidic (b) Highly Acidic (c) Slightly Basic (d) Highly Basic PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

23. 22. _____ is a straw colored, viscous fluid constituting nearly 55 percent of the blood . (a) Plasma (b) Formed elements (c) Blood groups (d) Coagulation of blood PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

24. 23. The right portion of human heart receives _____ blood. Pure Impure (c) Mixed (d) None of these PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

25. 24. Who invented the electrocardiogram (ECG)? (a) Willen Einthoven (b) Edward Jenner (c) Antonio de Ulloa And Charles Wood (d) Karl Benz PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

26. 25. Congestive heart failure is because of congestion in _____ Lungs (b) Heart (c) Muscles (d) Arteries PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

27. 26. What is the main function of the circulatory system? a) Oxygen delivery b) Nutrient absorption c) Blood circulation d) Waste elimination PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

28. 27. Which part of the heart has the thickest muscular wall? a) Left atrium b) Left ventricle c) Right atrium d) Right ventricle PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

29. 28. Which structure in the heart prevents backflow of blood into the right ventricle? a) Tricuspid valve b) Pulmonary valve c) Bicuspid valve d) Aortic valve PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

30. 29. What is the role of the right ventricle? a) Pump oxygenated blood to the body b) Pump deoxygenated blood to the lungs c) Receive oxygenated blood from the lungs d) Receive deoxygenated blood from the body PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

31. 30. The largest vein in the body is the: a ) Jugular vein b) Femoral vein c) Vena cava d) Pulmonary vein PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS

32. PRABHAKAR SINGH PK PRABHAKAR SINGH PATEL RRB PARAMEDICAL, SSC GD, MTS,CHSL AND MEDICAL EXAMS ANSWER SHEET 1. A 2. B 3. D 4. B 5. B 6. A 7. D 8. C 9. B 10. A 11. A 12. B 13. B 14. D 15. A 16. A 17. B 18. C 19. D 20. D 21. C 22. A 23. B 24. A 25. A 26. C 27. B 28. B 29. B 30. C