Biology Practice: The Circulatory System (Mock Test 3 - Moderate)
1. Which of the following describes the correct sequence of blood flow for oxygenation?
2. What is the biochemical role of the protein "Thrombin" in blood clotting?
3. Why is the Left Ventricle wall significantly thicker than the Right Ventricle wall?
4. How does Lymph differ from Blood in terms of composition?
5. Which of these correctly describes "Systolic Pressure"?
6. What prevents the mixing of oxygenated and deoxygenated blood in the human heart?
7. A person with Blood Group B can safely receive blood from which donors?
8. What is the primary cause of "Hypertension" according to the text?
9. Which blood vessel carries oxygen-rich blood from the lungs to the Left Auricle?
10. Why is the pulse felt only in arteries and not in veins?
11. What is "Atherosclerosis"?
12. During blood transfusion, if the Rh factor is not matched, what could happen?
13. Which heart chamber receives deoxygenated blood from the Vena Cavae?
14. What is the role of the "Bicuspid Valve"?
15. How does the heart maintain a constant body temperature?
16. "Heart Failure" is specifically defined as a situation where:
17. Which component of blood is primarily involved in "Oxyhaemoglobin" formation?
18. What is the function of the "Superior Vena Cava"?
19. Why does bleeding stop after some time during a minor injury?
20. What is the approximate percentage of people who are "Rh positive"?
