Leukopoiesis MCQ Quiz | Blood

Quiz Introduction

Welcome to the Leukopoiesis MCQ Quiz, specifically designed for MBBS students to test and reinforce their understanding of white blood cell formation. This quiz covers the intricate journey from hematopoietic stem cells to mature leukocytes, including granulopoiesis, monopoiesis, and lymphopoiesis. You will encounter questions on key progenitor cells, maturation stages, regulatory cytokines like CSFs and interleukins, and clinical correlations. This comprehensive assessment will help solidify your knowledge of this fundamental hematology topic. After submitting your answers, you’ll see your score and a detailed review of each question. For your convenience, you can also download all the questions along with their correct answers in a PDF format for future study and revision.

1. What is the common progenitor cell that gives rise to both the myeloid and lymphoid lineages?

2. Which of the following cells is NOT derived from the Common Myeloid Progenitor (CMP)?

3. What is the earliest recognizable precursor in the granulocytic series using a light microscope?

4. At which stage of neutrophil development do specific (secondary) granules first appear?

5. The immediate precursor to a mature segmented neutrophil is the:

6. A “left shift” in the differential white blood cell count refers to an increase in the number of circulating:

7. Which cytokine is most critical for the proliferation and differentiation of neutrophils?

8. The monocytic lineage follows which of the following maturation sequences?

9. Once a monocyte leaves the bloodstream and enters the tissues, it differentiates into a:

10. Primary lymphopoiesis, the process of generating mature but naive lymphocytes from progenitors, occurs in the:

11. The maturation and selection of T-lymphocytes occur in which organ?

12. The development of B-lymphocytes from progenitor cells primarily occurs in the:

13. Which cell surface marker is commonly used to identify hematopoietic stem cells (HSCs)?

14. The characteristic large, eosinophilic granules of an eosinophil contain which major substance?

15. Basophils and Mast cells, key players in allergic reactions, originate from which progenitor?

16. Which interleukin is also known as multi-colony stimulating factor (multi-CSF) because it supports the growth of multiple myeloid lineages?

17. A severe, life-threatening reduction in the number of neutrophils is termed:

18. The characteristic bilobed nucleus (“pince-nez” form) in neutrophils is a feature of which congenital anomaly?

19. Which of the following cells is terminally differentiated and incapable of further mitosis under normal conditions?

20. The Common Lymphoid Progenitor (CLP) gives rise to which of the following cell types?

21. Granulocyte-macrophage colony-stimulating factor (GM-CSF) primarily stimulates the production of:

22. The dark purple/black granules of basophils are rich in:

23. The approximate time from myeloblast to mature neutrophil release from the bone marrow is:

24. The most prominent morphological feature of a promyelocyte is the presence of:

25. Terminally differentiated B-lymphocytes that are specialized in antibody production are known as: