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

Which staining technique can be used to identify the presence of carbohydrates in tissue samples?

Silver stain

Periodic acid-Schiff (PAS) stain

Masson's trichrome stain

Hematoxylin and eosin (H&E) stain

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Verified step by step guidance

Understand the purpose of staining techniques: Staining techniques are used in histology to highlight specific components within tissue samples, making them visible under a microscope.

Identify the target component: In this problem, the target component is carbohydrates within tissue samples.

Learn about the Periodic acid-Schiff (PAS) stain: The PAS stain is specifically used to detect polysaccharides such as glycogen, mucosubstances like glycoproteins, and glycolipids in tissues. It works by oxidizing the carbohydrates to form aldehydes, which then react with the Schiff reagent to produce a magenta color.

Compare with other stains: Silver stain is typically used for proteins and nucleic acids, Masson's trichrome stain is used for connective tissue, and Hematoxylin and eosin (H&E) stain is a general stain for cell nuclei and cytoplasm but not specific for carbohydrates.

Conclude the appropriate stain: Based on the target component and the specific use of PAS stain, it is the correct choice for identifying carbohydrates in tissue samples.