Biology Practice: The Circulatory System (Mock Test 1)
1. Which component of blood is a yellowish fluid making up about 90% water?
2. Red Blood Cells (Erythrocytes) transport oxygen by forming which compound?
3. Which blood cells are responsible for the clotting of blood during an injury?
4. Which blood cells protect the body by fighting against germs?
5. What is "Lymph"?
6. Which blood group is known as the "Universal Donor"?
7. Blood group AB is known as the "Universal Acceptor" because:
8. Tough, elastic tubes that carry oxygenated blood away from the heart are:
9. Which artery is the ONLY one that carries deoxygenated blood?
10. The heart is enclosed by a double membrane known as the:
11. Which valve separates the right auricle from the right ventricle?
12. The largest artery in the human body is the:
13. What is the normal pulse rate for a healthy adult?
14. Hypertension is a condition where blood pressure rises above:
15. Which instrument is used to measure blood pressure?
16. What causes the sound of a heartbeat?
17. Atherosclerosis (CAD) is caused by the deposit of:
18. Acute chest pain caused by lack of oxygen reaching heart muscles is called:
19. Who was the English physician who discovered the circulation of blood?
20. Which of the following is an emergency step for a cardiac arrest patient?