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

Formed elements in the blood include which of the following components?

Hormones and electrolytes

Glucose and amino acids

Red blood cells, white blood cells, and platelets

Plasma proteins and water

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Verified step by step guidance

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

Differentiate between formed elements and plasma. Plasma is the fluid portion of blood that contains water, electrolytes, hormones, glucose, amino acids, and plasma proteins. Formed elements are the solid, cellular components suspended in plasma.

Review the functions of each formed element: Red blood cells are responsible for oxygen transport, white blood cells are involved in immune defense, and platelets play a role in blood clotting.

Eliminate incorrect options based on the definition of formed elements. Hormones, electrolytes, glucose, amino acids, plasma proteins, and water are components of plasma, not formed elements.

Conclude that the correct answer is red blood cells, white blood cells, and platelets, as these are the cellular components categorized as formed elements in the blood.