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

3. Energy & Cell Processes

Cancer

Anatomy & Physiology

3. Energy & Cell Processes

Cancer

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Multiple Choice

Which of the following statements regarding tumor suppressors is true?

Tumor suppressors promote cell division and growth.

Mutations in tumor suppressors lead to increased DNA repair.

Tumor suppressors are only active during embryonic development.

Tumor suppressors can trigger apoptosis in damaged cells.

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Verified step by step guidance

Understand the role of tumor suppressors: Tumor suppressors are proteins that help regulate cell growth by inhibiting cell division, repairing DNA mistakes, or initiating apoptosis (programmed cell death) when necessary.

Analyze the first statement: 'Tumor suppressors promote cell division and growth.' This is incorrect because tumor suppressors actually work to prevent uncontrolled cell division and growth.

Evaluate the second statement: 'Mutations in tumor suppressors lead to increased DNA repair.' This is incorrect because mutations in tumor suppressors often result in a loss of function, leading to decreased ability to repair DNA.

Consider the third statement: 'Tumor suppressors are only active during embryonic development.' This is incorrect because tumor suppressors are active throughout an organism's life to maintain cellular integrity.

Review the correct statement: 'Tumor suppressors can trigger apoptosis in damaged cells.' This is true as one of the key functions of tumor suppressors is to initiate apoptosis to prevent the proliferation of potentially cancerous cells.