Table of contents

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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

Microscopes

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Microscopes

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Multiple Choice

Why should you not move the stage too close to the lens when using a microscope?

It will make the specimen appear larger than it is.

It will cause the image to become too bright.

It can cause the microscope to become unstable.

It can damage the lens and the slide.

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Verified step by step guidance

Understand the components involved: The stage is the platform where the slide is placed, and the lens is part of the optical system used to magnify the specimen.

Recognize the potential risk: Moving the stage too close to the lens can result in physical contact between the lens and the slide.

Consider the consequences of contact: If the lens touches the slide, it can scratch or damage the lens, which is a delicate and expensive part of the microscope.

Acknowledge the impact on the slide: The slide, which holds the specimen, can also be damaged, potentially ruining the sample and making it unusable for observation.

Conclude with best practices: Always adjust the stage carefully and use the coarse and fine focus knobs to bring the specimen into view without risking damage to the equipment.