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 is true of malignant tumors?

They grow slowly and remain localized.

They invade surrounding tissues and can metastasize.

They are always benign and harmless.

They are usually encapsulated and do not spread.

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Verified step by step guidance

Understand the definition of a malignant tumor: Malignant tumors are cancerous growths that have the potential to invade surrounding tissues and spread to other parts of the body, a process known as metastasis.

Differentiate between malignant and benign tumors: Benign tumors are non-cancerous, grow slowly, and are usually encapsulated, meaning they remain localized and do not invade other tissues.

Identify the characteristics of malignant tumors: They tend to grow rapidly, invade nearby tissues, and have the ability to metastasize, which means they can spread to distant parts of the body through the bloodstream or lymphatic system.

Evaluate the given options: Compare each statement with the characteristics of malignant tumors. The statement that aligns with the definition and characteristics of malignant tumors is the correct one.

Select the correct statement: Based on the understanding of malignant tumors, choose the option that states 'They invade surrounding tissues and can metastasize' as it accurately describes the nature of malignant tumors.