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

2. Cell Chemistry & Cell Components

Introduction to Chemical Bonding

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Introduction to Chemical Bonding

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Multiple Choice

In the capsule staining procedure, which of the following components is stained first?

The bacterial cell

The background

The capsule

The cell wall

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Verified step by step guidance

Understand the purpose of capsule staining: Capsule staining is a differential staining technique used to visualize the capsule of certain bacteria. The capsule is a gelatinous outer layer that can protect bacteria from phagocytosis.

Identify the components involved in the staining process: The components typically include the bacterial cell, the capsule, and the background.

Recognize the order of staining: In capsule staining, the primary stain is applied first to color the bacterial cell. This is often done using a basic dye that adheres to the cell surface.

Consider the role of the background stain: After staining the bacterial cell, an acidic stain is used to color the background. This creates a contrast between the stained cell and the unstained capsule.

Conclude the process: The capsule itself remains unstained and appears as a clear halo around the stained bacterial cell against the colored background. This allows for the visualization of the capsule.