- 1. Which component of blood is responsible for carrying oxygen?
A) Plasma
B) Platelets
C) Red blood cells
D) White blood cells
- 2. What is the liquid component of blood called?
A) Hemoglobin
B) Lymph
C) Serum
D) Plasma
- 3. What is the average lifespan of a red blood cell?
A) 1 year
B) 30 days
C) 120 days
D) 7 days
- 4. What is the process by which blood cells are formed called?
A) Hemostasis
B) Hemolysis
C) Thrombosis
D) Hematopoiesis
- 5. Which organ is primarily responsible for producing blood cells?
A) Spleen
B) Liver
C) Kidneys
D) Bone marrow
- 6. What is the term for the stoppage of bleeding?
A) Hemostasis
B) Anemia
C) Erythropoiesis
D) Hemolysis
- 7. What is the scientific name for a low red blood cell count?
A) Hemophilia
B) Anemia
C) Hypertension
D) Leukemia
- 8. Which vitamin is necessary for the production of clotting factors in the blood?
A) Vitamin B12
B) Vitamin C
C) Vitamin D
D) Vitamin K
- 9. Which blood disorder is characterized by an abnormal increase in white blood cells?
A) Leukemia
B) Thrombocytopenia
C) Anemia
D) Hemophilia
- 10. What is the process of breaking down red blood cells called?
A) Hemolysis
B) Hemostasis
C) Erythropoiesis
D) Thrombosis
- 11. What is the term for an inherited blood disorder that impairs the blood's ability to clot?
A) Hemophilia
B) Thrombocytopenia
C) Anemia
D) Leukemia
- 12. What is the term for the percentage of red blood cells in the total blood volume?
A) Leukopenia
B) Thrombosis
C) Hematuria
D) Hematocrit
- 13. What is the term for a deficiency of platelets in the blood?
A) Leukopenia
B) Polycythemia
C) Hemophilia
D) Thrombocytopenia
- 14. Which of the following statements is true about blood type AB?
A) It can only receive blood from type O
B) It lacks both A and B antigens
C) It can receive blood from any blood type
D) It has no antigens on the red blood cells
- 15. What is the term for the process of red blood cell production?
A) Hemolysis
B) Erythropoiesis
C) Thrombosis
D) Leukemogenesis
- 16. What is the term for a condition in which the blood's pH balance is too low?
A) Hypoxia
B) Hemostasis
C) Acidosis
D) Alkalosis
- 17. Which blood type is known as the 'universal blood donor' because it lacks A, B, and Rh antigens?
A) O negative
B) B positive
C) AB positive
D) A negative
- 18. What is the average volume of blood in an adult human body?
A) 10 liters
B) 5 liters
C) 1 liter
D) 15 liters
- 19. Which component of blood is responsible for clotting?
A) Red blood cells
B) Platelets
C) Plasma
D) White blood cells
- 20. Which blood vessel carries blood away from the heart?
A) Vein
B) Artery
C) Capillary
D) Venuole
- 21. What is the term for an abnormal increase in red blood cells?
A) Hemophilia
B) Polycythemia
C) Leukopenia
D) Anemia
- 22. In which part of the body does blood receive oxygen and release carbon dioxide?
A) Heart
B) Lungs
C) Stomach
D) Liver
- 23. Which of the following is a granulocyte white blood cell?
A) Lymphocyte
B) Monocyte
C) Eosinophil
D) Neutrophil
- 24. What is the liquid part of the blood that remains after clotting called?
A) Plasma
B) Bile
C) Lymph
D) Serum
- 25. Which blood vessel carries blood back to the heart?
A) Artery
B) Capillary
C) Vein
D) Venuole
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