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