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 Heart3h 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

Introduction To Blood

Anatomy & Physiology

17. The Blood

Introduction To Blood

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Multiple Choice

Which of the following are considered formed elements of the blood?

Oxygen, carbon dioxide, and nutrients

Plasma, serum, and water

Albumin, globulin, and fibrinogen

Erythrocytes, leukocytes, and platelets

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Verified step by step guidance

Understand the term 'formed elements of the blood': Formed elements refer to the cellular components of blood, which include erythrocytes (red blood cells), leukocytes (white blood cells), and platelets (thrombocytes). These are distinct from the liquid portion of blood, which is plasma.

Eliminate incorrect options: Oxygen, carbon dioxide, and nutrients are transported by blood but are not cellular components. Plasma, serum, and water are part of the liquid portion of blood, not formed elements. Albumin, globulin, and fibrinogen are proteins found in plasma, not cellular components.

Focus on the correct option: Erythrocytes, leukocytes, and platelets are the cellular components of blood and are collectively referred to as formed elements.

Relate the function of each formed element: Erythrocytes are responsible for oxygen transport, leukocytes are involved in immune defense, and platelets play a role in blood clotting.

Conclude that the correct answer is based on the definition and function of formed elements, which are erythrocytes, leukocytes, and platelets.