Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart2h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

17. The Blood

Leukocytes

Anatomy & Physiology

17. The Blood

Leukocytes

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Multiple Choice

Which of the following are referred to as mononuclear phagoytes?

Lymphocytes and basophils.

Mast cells and eosinophils.

Basophils and eosinophils.

Monocytes and macrophages.

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Verified step by step guidance

Understand the term 'mononuclear phagocytes': These are immune cells that have a single round nucleus and are capable of phagocytosis, which is the process of engulfing and digesting cellular debris and pathogens.

Identify the types of cells that are considered mononuclear phagocytes: Monocytes and macrophages are the primary cells in this category.

Differentiate between mononuclear phagocytes and other immune cells: Lymphocytes, basophils, mast cells, and eosinophils have different functions and structures. For example, lymphocytes are involved in adaptive immunity, while basophils and eosinophils are involved in allergic responses and parasitic infections.

Recognize the role of monocytes: Monocytes circulate in the bloodstream and migrate into tissues where they differentiate into macrophages or dendritic cells.

Understand the function of macrophages: Once monocytes become macrophages, they act as scavengers, engulfing pathogens and dead cells, and play a crucial role in both innate and adaptive immunity.