Biology Practice: Circulatory System (Mock Test 4 - Expert/Experimental Logic)
1. Expert Observation: Why is the blood in the Pulmonary Artery dark red/blue compared to the blood in the Aorta?
2. Clinical Logic: A patient has a very low platelet count. What is the most immediate danger they face?
3. In a laboratory, a drop of Blood Group A is mixed with Anti-A serum. What is the expected logical outcome?
4. Why does the heart rate remain high for a few minutes even after a person stops running?
5. "Angina Pectoris" is a clinical condition characterized by chest pain because:
6. If a person with Blood Group B receives blood from a Group A donor, the recipient's ______ will attack the donor's cells.
7. What is the expert logic behind the 'double-loop' system (Double Circulation) in mammals?
8. A 'Sphygmomanometer' measures blood pressure. A normal reading of 120/80 mmHg represents:
9. If the 'Bicuspid Valve' is damaged and leaks, blood will flow back into the:
10. Why are "Lymph Nodes" often swollen during an infection?
11. Clinical Term: "Hypertension" refers to:
12. Why do capillaries have 'sphincters' at their entrance points?
13. In the "Rh Factor" clinical logic, if an Rh-negative mother carries an Rh-positive fetus, the main concern is:
14. Which blood vessel system carries deoxygenated blood to the heart from the lower body parts?
15. What is the logical purpose of 'Systemic Circulation'?
16. 'Phlebitis' is a medical condition involving the inflammation of the:
17. Experimental Data: If the vagus nerve to the heart is stimulated, the heart rate decreases. This indicates:
18. Why does deoxygenated blood look dark red rather than blue through the skin?
19. If a person has "Anemia," their blood is unable to carry enough ______.
20. The logical outcome of 'Atrial Diastole' is: